Clay mitts, like any other detailing tool, can potentially scratch paint if not used correctly. However, when used properly, they are designed to be safe and effective. Here are some tips to ensure a clay mitt does not scratch your vehicle's paint:

1. Proper Lubrication: Always use a sufficient amount of clay lubricant or a car wash solution to create a slick surface. This reduces friction and helps the mitt glide over the paint without causing scratches.

2. Clean Mitt and Surface: Ensure both the clay mitt and the vehicle’s surface are clean before starting. Any dirt or debris trapped in the mitt or on the paint can cause scratches.

3. Gentle Pressure: Apply light to moderate pressure when using the clay mitt. Let the mitt do the work. Excessive pressure can lead to scratches and marring.

4. Regularly Check the Mitt: Periodically inspect the mitt for contaminants that it may have picked up. Rinse the mitt frequently to keep it clean.

5. Small Sections: Work in small sections, typically around 2x2 feet, to ensure thorough cleaning and to manage lubrication effectively.

6. Proper Technique: Move the mitt in straight lines rather than circular motions to minimize the risk of swirl marks.

By following these precautions, you can minimize the risk of scratching your vehicle’s paint while using a clay mitt. If you are new to using a clay mitt or unsure about the process, it might be helpful to practice on a less visible area first or seek advice from experienced detailers.