Last Updated on September 1, 2023
Drag clicking is a gaming technique that has gained notoriety in the gaming community for its unique ability to produce rapid, multiple clicks. Achieving this technique requires a gaming mouse with the capability to handle high clicks per second (CPS). In the world of competitive gaming, where every millisecond counts, having the best mouse for drag clicking can give you a significant advantage.
In this comprehensive guide, we will delve deep into the art of drag clicking, explore why it’s important, and provide a detailed review of the best Razer mice for drag clicking currently available in the market. Whether you’re a Minecraft enthusiast or an FPS pro, understanding the nuances of drag clicking and choosing the right mouse can take your gaming experience to the next level.
|Mouse Model||Specifications||Key Features|
|Razer DeathAdder Elite||– Size: 44 x 70 x 127 mm (HxWxD) – Weight: 105g – Warranty: 2 Years – Programmable Buttons: 7 – Switch Type: Razer Mechanical Switches – Max Speed (IPS): 450 – Max Sensitivity (DPI): 16000 – Sensor: PMW3390 optical sensor – RGB: Yes||– Exceptional comfort and ergonomic design – Razer Mechanical Switches with 50 million click durability – High-precision PMW3390 optical sensor – Customizable RGB lighting|
|Razer Basilisk V3 Pro||– Hyperspeed wireless technology – Gen 3 optical switches – Razer hyperscroll – Programmable buttons – Wireless charging capability||– Three RGB lighting zones for customization – Wireless charging with compatible dock – Versatile programmable buttons – Bluetooth and 2.4GHz connectivity options|
|Razer Mamba TE||– Available in wired and wireless versions – Lifespan of up to 50 million clicks||– Versatile for various tasks, including drag clicking – Durable and reliable design|
|Razer Viper Mini Ultralight||– Lightweight at 61g – 8500 DPI optical sensor – Six programmable buttons – Drag-free cord for convenience||– Ideal for speed and precision – Lightweight and compact design|
|Razer Naga X||– Lightweight design – Excellent click latency – 12-button layout on the left side||– Maximize click rate and efficiency – Great for competitive Minecraft play – Seamless gaming experience with low click latency|
What Is Drag Clicking?
Drag clicking is a unique gaming technique that involves rapidly gliding a finger across a mouse button to generate multiple clicks in quick succession. The technique is facilitated by the vibration caused by the friction between the mouse’s surface and your finger. While it may sound simple in theory, mastering drag clicking can be challenging, even with the right hardware.
Not all gaming mice are created equal when it comes to drag clicking. To execute this technique effectively and consistently, you need a mouse that can withstand the rapid clicking motion and provide the necessary feedback. This guide will help you navigate the complexities of drag clicking and choose the ideal mouse to achieve CPS excellence.
Why Is Drag Clicking Important?
Drag clicking has garnered attention primarily for its potential to achieve an exceptionally high CPS rate. This can be advantageous in various gaming scenarios, including but not limited to:
- Minecraft: In the world of Minecraft, where rapid block breaking or item collection is essential, drag clicking can significantly enhance your gameplay. Achieving a high CPS rate allows you to mine, build, and craft with incredible speed, giving you an edge in competitive Minecraft environments.
- FPS Games: While drag clicking may not be as critical in first-person shooters (FPS) as it is in Minecraft, it can still be beneficial in certain situations. Rapidly switching between weapons, firing modes, or executing complex maneuvers can be more efficient with drag clicking.
- MMORPGs: Massively multiplayer online role-playing games (MMORPGs) often involve extensive clicking for tasks like spellcasting or using abilities. Drag clicking can reduce the strain on your fingers and improve your overall gaming experience.
However, it’s essential to note that drag clicking may not be suitable for all gaming genres. In some cases, a traditional clicking technique may suffice. Therefore, investing in a separate drag clicking mouse tailored to your gaming needs can be a strategic choice.
How to Choose the Best Mouse for Drag Clicking
Selecting the perfect mouse for drag clicking requires careful consideration of several factors. To ensure you make an informed decision, take the following aspects into account:
a. Comfort and Ergonomics
Comfort is paramount when choosing a gaming mouse, especially for drag clicking. Consider factors such as the mouse’s shape, size, and grip. The mouse should fit comfortably in your hand and support your preferred grip style, whether it’s palm, claw, or fingertip grip.
b. Sensor Performance
A high-quality sensor is crucial for precise tracking in both gaming and general computer use. The sensor determines essential characteristics like maximum acceleration, DPI (dots per inch) range, and tracking capabilities. Ensure that the mouse you select features a sensor that meets your requirements.
c. Polling Rate
The polling rate of a mouse measures how frequently it reports its position to the computer. A higher polling rate reduces the delay between your mouse movements and the system’s response, resulting in a smoother and more responsive gaming experience. Look for a mouse with a high polling rate for optimal performance.
d. Click Latency
Click latency refers to the time it takes for your computer to register a click from the mouse. Lower click latency is essential for gamers, as it minimizes the delay between pressing a button and the action occurring on the screen. To ensure a seamless gaming experience, choose a mouse with low click latency.
e. Programmable Buttons
Many modern gaming mice come equipped with programmable buttons that can be customized to perform specific functions. Consider your gaming needs and the types of games you play when deciding how many programmable buttons you require.
f. Build Quality and Durability
Drag clicking involves rapid and repeated clicking, which can put strain on the mouse’s buttons and switches. Look for a mouse with high-quality switches that can withstand the rigors of drag clicking. Durability is essential to ensure your mouse lasts for an extended period.
g. Additional Features
Some gaming mice offer additional features like customizable RGB lighting, weight customization, and onboard memory for storing profiles. While these features may not directly impact drag clicking, they can enhance your overall gaming experience.
Consider your budget when selecting a gaming mouse. While premium mice may offer advanced features, there are budget-friendly options that can still provide excellent performance for drag clicking.
The Best Razer Mice for Drag Clicking
The Razer DeathAdder Elite is undoubtedly one of the best Razer mice for drag clicking, and it earns this reputation through a combination of impressive specifications, ergonomic design, and a focus on delivering a top-notch gaming experience. Let’s break down the key features and characteristics that make the DeathAdder Elite a standout choice for gamers, especially those interested in drag clicking:
Size: The dimensions of the Razer DeathAdder Elite, measuring 44 x 70 x 127 mm (HxWxD), strike a balance between comfort and performance. This size ensures that it fits comfortably in most users’ hands without being overly bulky.
Weight: At 105g, the DeathAdder Elite strikes an ideal weight for gaming. It’s neither too heavy nor too light, providing a balanced feel that is well-suited for extended gaming sessions.
Warranty: Razer offers a 2-year warranty for the DeathAdder Elite, giving users peace of mind regarding the product’s durability and reliability.
Programmable Buttons: With 7 programmable buttons, the DeathAdder Elite offers customization options for gamers who want to tailor their mouse to specific in-game actions or preferences.
Switch Type: Equipped with Razer Mechanical Switches, the DeathAdder Elite ensures rapid response times and exceptional durability. These switches are rated for up to 50 million clicks, ensuring that the mouse can withstand intense gaming.
Max Speed (IPS): The impressive maximum speed of 450 IPS (Inches Per Second) allows for swift and precise tracking, making it suitable for fast-paced gaming.
Max Sensitivity (DPI): The DeathAdder Elite boasts a DPI range of up to 16,000, providing users with the flexibility to adjust sensitivity on the fly to match their gaming needs.
Sensor: Featuring the PMW3390 optical sensor, the DeathAdder Elite is equipped with one of the best sensors available. It ensures accurate tracking, minimal cursor drift, and reliable performance even in intense gaming situations.
RGB: Customizable RGB lighting adds a touch of aesthetics to the DeathAdder Elite. While the lighting is visually appealing, it’s important to note that it may be covered during use, as the mouse is designed primarily for functionality.
- Exceptional Build Quality: Razer is known for its commitment to quality, and the DeathAdder Elite lives up to that reputation. The mouse is built to last and withstand the demands of competitive gaming.
- Reliable Switches and Sensor: The Razer Mechanical Switches are not only responsive but also durable, ensuring consistent performance over millions of clicks. Combined with the PMW3390 sensor, this mouse offers precise and reliable tracking.
- Comfortable Grip: The ergonomic design of the DeathAdder Elite is tailored to fit comfortably in the hand. While it’s designed for right-handed users, its shape and contours accommodate various grip styles. It’s worth noting that while it’s comfortable for most users, individuals with larger hands may find it particularly well-suited.
- May Be More Comfortable for Users with Larger Hands: While the DeathAdder Elite is designed to be comfortable for a wide range of users, those with smaller hands might find it slightly less accommodating.
- RGB Lighting May Be Covered During Use: The RGB lighting on the DeathAdder Elite, while visually appealing, may not be fully visible during use due to the positioning of the user’s hand.
The Razer DeathAdder Elite is an exceptional choice for gamers, particularly those who enjoy both first-person shooters (FPS) and massively multiplayer online role-playing games (MMORPGs). Its ergonomic design, reliable switches, and precise sensor make it suitable for extended gaming sessions, ensuring comfort and performance. Whether you’re engaged in fast-paced FPS action or navigating complex MMORPG interfaces, the DeathAdder Elite delivers a superior gaming experience.
In the world of drag clicking, where rapid and accurate clicking is essential, the DeathAdder Elite shines. Its Razer Mechanical Switches provide the necessary responsiveness, while the PMW3390 optical sensor ensures that every click is registered accurately. With its versatile DPI settings, you can fine-tune sensitivity to suit your drag clicking technique.
In summary, the Razer DeathAdder Elite is the go-to choice for gamers who demand exceptional build quality, reliable performance, and a comfortable grip. It has rightfully earned its place as one of the best Razer mice for drag clicking, offering an ideal balance of features for both casual and competitive gamers.
The Razer Basilisk V3 Pro is undeniably one of the best Razer mice for drag clicking, offering a plethora of advanced features that cater to both casual and competitive gamers. Let’s delve into its key features, advantages, and a few minor drawbacks.
Hyperspeed Wireless: The Basilisk V3 Pro boasts Razer’s Hyperspeed wireless technology, providing a lag-free and ultra-responsive connection. This is crucial for drag clicking, where split-second timing is essential. The wireless functionality ensures that you’re not tethered by cables, allowing for greater freedom of movement during intense gaming sessions.
Gen 3 Optical Switches: The mouse is equipped with Gen 3 optical switches, a testament to Razer’s commitment to durability and performance. These switches are designed to withstand the rigors of intense gaming, with an impressive 90-million click lifespan. Importantly for drag clicking, they have minimal actuation delay, ensuring your clicks register promptly.
Razer Hyperscroll: The Basilisk V3 Pro features Razer’s signature Hyperscroll wheel. This versatile scroll wheel can switch between free-scrolling and tactile scrolling modes, catering to different gaming scenarios. For drag clicking, the ability to switch to tactile mode provides precise control when needed.
Programmable Buttons: Customizability is a significant advantage for gamers, and this mouse offers programmable buttons to enhance your gaming experience. You can assign various functions to these buttons, making it easier to execute actions quickly. For drag clicking, having programmable buttons allows you to fine-tune your setup for optimal performance.
Wireless Charging: Wireless charging is a standout feature of the Basilisk V3 Pro. With the right charging dock or pad, you can conveniently charge the mouse without the hassle of plugging in cables. This not only adds to the overall convenience but also ensures that your mouse is always ready for action.
- Wireless and Wired Functionality: The Basilisk V3 Pro offers the flexibility of both wireless and wired modes. While wireless mode provides freedom of movement, you can seamlessly switch to a wired connection when low on battery, ensuring uninterrupted gameplay.
- Abundant Features: This mouse is loaded with features that can enhance your gaming experience. The Hyperspeed wireless technology, optical switches, customizable buttons, and wireless charging combine to create a versatile and feature-rich gaming tool.
- Slightly Heavy: Some users may find the Basilisk V3 Pro slightly heavier compared to other gaming mice. While this may not be a significant issue for most gamers, those who prefer ultra-lightweight mice might need some adjustment.
In conclusion, the Razer Basilisk V3 Pro excels as a drag clicking mouse due to its remarkable combination of wireless capabilities, durable Gen 3 optical switches, programmable buttons, and wireless charging convenience. It stands out for its versatility, making it suitable for various gaming genres beyond drag clicking. While it may have a slightly heavier feel, its feature-rich design more than compensates for this minor drawback, making it an excellent choice for gamers seeking a high-performance mouse.
The Razer Mamba TE is a versatile and dependable gaming mouse, available in both wired and wireless versions, designed with a focus on durability and performance. It stands out as one of the best Razer mice for drag clicking due to several key features that cater to the needs of gamers who employ this technique. Let’s delve into the details of why the Razer Mamba TE is an excellent choice for drag clicking:
16,000 Adjustable DPI: The Razer Mamba TE is equipped with a high-precision optical sensor that allows for on-the-fly DPI (dots per inch) adjustment. This feature is invaluable for drag clicking as it provides gamers with the flexibility to fine-tune the cursor sensitivity to their liking. When drag clicking, having control over the DPI enables you to achieve the perfect balance between speed and precision. Whether you need swift, multiple clicks or accurate targeting, the adjustable DPI ensures you can optimize your mouse’s performance for different in-game scenarios.
Ergonomic Form Factor: Comfort is a critical factor in any gaming mouse, and the Razer Mamba TE doesn’t disappoint in this regard. Its ergonomic design is tailored to fit comfortably in your hand, reducing fatigue during extended gaming sessions. When drag clicking, where rapid and repetitive clicks are required, the mouse’s ergonomic shape plays a significant role. It allows for a secure grip and minimizes strain on your hand and fingers, making it easier to execute the drag clicking technique consistently and precisely.
Chroma Enabled: The Chroma lighting feature in the Razer Mamba TE isn’t just about aesthetics; it also enhances the overall gaming experience. While drag clicking itself may not directly benefit from RGB lighting, it adds a layer of customization and personalization to your setup. Gamers can choose from a wide range of colors and lighting effects to create a visually stimulating gaming environment. This can contribute to a more immersive gaming experience and help set the mood for intense gaming sessions.
Durability and Lifespan: One of the standout features of the Razer Mamba TE is its durability. The mouse is built to withstand the rigors of gaming, and it boasts a remarkable click lifespan of up to 50 million clicks. For drag clicking enthusiasts, this is a critical factor. Drag clicking involves rapid and repeated clicks, which can put significant strain on a mouse’s buttons. With the Mamba TE’s robust design and high-quality switches, you can rest assured that it can handle the demands of drag clicking without compromising on performance or longevity.
Customizability: The Razer Mamba TE offers a high level of customizability through Razer’s Synapse software. Gamers can program and reassign buttons, fine-tune sensitivity settings, and create macros to streamline their gaming experience. While these features may not be directly related to drag clicking, they provide the flexibility to adapt the mouse to your specific gaming needs. Whether you’re customizing the mouse’s response time or configuring button layouts, the Razer Mamba TE ensures you have the tools to optimize your gameplay.
In summary, the Razer Mamba TE earns its place as one of the best Razer mice for drag clicking due to its combination of adjustable DPI, ergonomic design, durability, Chroma lighting, and customizability. It offers a reliable and comfortable platform for gamers who rely on the drag clicking technique, enabling precise and rapid clicks while ensuring a comfortable and ergonomic grip. With the Razer Mamba TE, you can expect consistent performance, longevity, and the flexibility to tailor your mouse settings to your gaming preferences, making it a top choice for drag clicking enthusiasts.
The Razer Viper Mini Ultralight is a standout choice among Razer mice for drag clicking, offering a combination of features and design elements that make it an excellent option for gamers who want to master the art of drag clicking. Let’s dive into a detailed explanation of why the Razer Viper Mini Ultralight is considered one of the best choices for this specific gaming technique:
Lightweight and Compact Design: The Viper Mini Ultralight lives up to its name by being incredibly lightweight, weighing only 61g. This lightweight design is ideal for drag clicking, as it allows for quick and precise movements without unnecessary strain on your hand and fingers.
Its compact size and ambidextrous shape make it suitable for various grip styles, including palm, claw, and fingertip grips. This versatility ensures that it can comfortably accommodate a wide range of hand sizes and preferences.
Precise 8500 DPI Optical Sensor: One of the key factors for successful drag clicking is the precision and accuracy of the mouse sensor. The Viper Mini Ultralight is equipped with an 8500 DPI optical sensor, providing exceptional tracking accuracy and responsiveness.
The high DPI range allows for fine-tuned sensitivity adjustments, crucial for achieving the desired drag clicking speed and precision.
Chroma RGB Underglow Lighting: While RGB lighting may not directly affect drag clicking, it adds a stylish and visually appealing element to your gaming setup. The Chroma RGB underglow lighting on the Viper Mini Ultralight allows you to customize the mouse’s aesthetics to match your gaming rig or personal preferences.
Customizable lighting profiles can help create an immersive gaming environment and set the mood for intense gameplay sessions.
6 Programmable Buttons: Having programmable buttons at your disposal can be advantageous for drag clicking. While the primary technique involves the main mouse buttons, additional programmable buttons can be assigned for specific in-game functions or macros.
The Viper Mini Ultralight offers six programmable buttons, allowing you to tailor your mouse setup to your gaming style and needs. These buttons can be configured through Razer Synapse, Razer’s software suite, providing a high level of customization.
Drag-Free Cord: Drag clicking requires precise and repetitive movements, and having a drag-free cord is crucial to prevent any interference or resistance caused by the mouse cable.
The Viper Mini Ultralight features a cord designed to minimize drag, providing a smooth and uninterrupted experience during drag clicking sessions.
In summary, the Razer Viper Mini Ultralight is an outstanding choice for drag clicking due to its lightweight and compact design, high-precision optical sensor, customizable RGB lighting, programmable buttons, and drag-free cord. These features, combined with Razer’s renowned build quality, make it a top contender for gamers looking to excel in drag clicking techniques. Whether you’re a competitive Minecraft player or an enthusiast in other gaming genres, the Viper Mini Ultralight offers the tools you need to achieve CPS excellence.
5. Razer Naga X
The Razer Naga X is an outstanding choice among Razer mice for drag clicking, and it’s particularly well-suited for competitive Minecraft players seeking to optimize their gaming experience. This mouse is designed to deliver exceptional performance in terms of click speed, precision, and customization, making it an ideal choice for those who rely on rapid clicking in Minecraft and other games. Let’s delve into the key features that make the Razer Naga X stand out:
High-Performance 18K DPI Optical Sensor: At the heart of the Razer Naga X lies an 18,000 DPI optical sensor. DPI, or dots per inch, is a crucial factor for gamers as it determines the sensitivity of the mouse. A higher DPI setting means that the cursor moves more quickly across the screen with less physical movement of the mouse. This sensor is designed to provide gamers with precise and rapid tracking, which is essential for tasks like aiming, building, or mining in Minecraft.
The high DPI rating of the Razer Naga X ensures that you can achieve incredibly precise movements and rapid cursor speeds, enabling you to perform drag clicking techniques with remarkable accuracy. This precision is particularly valuable in Minecraft, where every click counts when you’re digging, crafting, or battling.
2nd-Generation Optical Switches: One of the standout features of the Razer Naga X is its utilization of 2nd-generation optical switches. Optical switches are renowned for their speed and reliability in registering clicks. Compared to traditional mechanical switches, optical switches have a significant advantage when it comes to click latency.
The 2nd-generation optical switches in the Razer Naga X are not only fast but also highly durable, capable of withstanding an extensive number of clicks without degradation in performance. This durability is crucial for drag clicking, as it ensures that the mouse can handle the repetitive and rapid clicking required for various tasks in Minecraft.
Chroma RGB Lighting: While RGB lighting may not directly impact your ability to drag click, it adds an aesthetic dimension to your gaming setup. The Razer Naga X features Chroma RGB lighting, which allows you to customize the mouse’s lighting with over 16.8 million color options and various lighting effects.
Customizing the RGB lighting on your mouse can create a visually immersive gaming environment and enhance your overall gaming experience. It’s a feature that complements the mouse’s high-performance capabilities, making it an attractive choice for gamers who appreciate both form and function.
16 Programmable Buttons: One of the standout features of the Razer Naga series, including the Naga X, is the abundance of programmable buttons. This mouse boasts 16 programmable buttons, which are conveniently located on the side of the mouse. These buttons provide unparalleled versatility for gamers who need to execute a multitude of commands quickly.
In Minecraft, for instance, you can assign various functions like selecting tools, switching between items, or executing complex build sequences to these programmable buttons. This eliminates the need to reach for the keyboard, streamlining your actions and enhancing your gameplay efficiency.
In conclusion, the Razer Naga X is undoubtedly one of the best Razer mice for drag clicking, particularly tailored to competitive Minecraft players. Its combination of an 18,000 DPI optical sensor, 2nd-generation optical switches, Chroma RGB lighting, and 16 programmable buttons makes it a top-tier choice for gamers seeking to optimize their click speed, precision, and customization.
The high DPI sensor ensures that you can achieve pixel-perfect accuracy in Minecraft, while the optical switches guarantee rapid and reliable click registration. The abundance of programmable buttons adds a layer of convenience, allowing you to execute complex tasks with ease.
Whether you’re mining, crafting, or battling your way through Minecraft’s challenges, the Razer Naga X is equipped to meet your gaming demands with exceptional performance and customization options. Its lightweight design and high click latency make it a standout choice for drag clicking, elevating your Minecraft gameplay to new heights.
Additional Considerations for Drag Clicking
While the selection of a suitable mouse is crucial for drag clicking, other factors can influence your success with this technique:
a. Debounce Time
The debounce time of a mouse refers to the period during which the mouse ignores any additional clicks after one click is registered. For drag clicking, a shorter debounce time is preferable, as it allows for more rapid clicks.
b. Textured Grips
The texture of the mouse’s buttons and overall surface can affect the effectiveness of drag clicking. A textured grip can help your finger glide smoothly over the button, facilitating the technique. Alternatively, grip tape can be added to achieve the same effect.
c. Mouse Pads
The type of mouse pad you use can impact drag clicking. A low-friction mouse pad, often made of PTFE (polytetrafluoroethylene), allows for smoother and more precise movements, enhancing your drag clicking capabilities.
In the world of gaming, every advantage counts, and drag clicking can provide that extra edge in certain games. Razer, a renowned name in the gaming industry, offers a range of mice that cater to drag clicking enthusiasts. From the comfortable and feature-rich DeathAdder Elite to the innovative Basilisk V3 Pro with wireless charging, Razer has options to suit various preferences.
Remember that the perfect drag clicking mouse may vary based on your hand size, grip style, and gaming preferences. By considering the factors discussed in this guide and exploring the recommended Razer mice, you can make an informed decision and take your drag clicking skills to new heights.
So, whether you’re dominating in Minecraft or excelling in your favorite first-person shooter, a reliable and comfortable Razer mouse can be your secret weapon for achieving the highest CPS and emerging victorious in every gaming challenge. Upgrade your gaming experience today with the best Razer mouse for drag clicking!
What is drag clicking, and why do I need a specific mouse for it?
Drag clicking is a technique that involves rapidly sliding your finger across a mouse button to generate multiple clicks. A specialized mouse for drag clicking offers durability, tactile feedback, and the right texture and grip to enhance your drag clicking performance.
Is drag clicking suitable for all gaming genres?
No, drag clicking is more beneficial in games that require rapid, repetitive actions, such as Minecraft. It may not be as useful in first-person shooters or games with different mechanics.
Are Razer mice the best for drag clicking?
Razer offers a range of gaming mice, some of which are well-suited for drag clicking due to their build quality, switches, and sensor accuracy. While Razer mice are among the top choices, other brands also offer suitable options.
What should I look for in a mouse for drag clicking?
Consider factors like comfort, sensor quality, polling rate, click latency, and the texture/grip of the mouse buttons. These elements can significantly impact your drag clicking performance.
Are all Razer mice suitable for drag clicking?
No, not all Razer mice are designed for drag clicking. Look for models with durable switches, an ergonomic design, and customizable features for the best drag clicking experience.
Can I drag click with any mouse, or do I need specific software?
Drag clicking can be executed with any mouse, but it’s more effective with mice designed for the technique. Specific software isn’t required; it’s the hardware and technique that matter.
Does drag clicking damage the mouse buttons over time?
Drag clicking can exert stress on mouse buttons, potentially reducing their lifespan. Mice designed for drag clicking are built to withstand this technique, minimizing the risk of damage.
Are there any tips for improving drag clicking performance?
Practice is key to improving your drag clicking skills. Additionally, ensure your mouse is set up with the right sensitivity settings and that you have a comfortable grip.
What gaming genres benefit the most from drag clicking?
Drag clicking is most beneficial in games that require rapid clicking, such as Minecraft or certain click-intensive strategy games. It may not offer a significant advantage in slower-paced games.
Are Razer mice suitable for professional esports and competitive gaming?
Yes, some Razer mice, like the DeathAdder Elite and the Razer Naga X, are suitable for professional gaming due to their precision, comfort, and durability.