Now, most clay bar kits, like Meguiar’s Smooth Surface Clay Kit, come with a lubricant (a quick detailer in this case). Lubrication is important for the scratchy reasons above.

Take a small section of the clay bar and knead it until it becomes pliable (if using a traditional clay bar). Spray the car's surface with a clay lubricant or quick detailer to provide lubrication ...

Take a small section of the clay bar and knead it until it becomes pliable (if using a traditional clay bar). Spray the car's surface with a clay lubricant or quick detailer to provide lubrication ...

The bars are somewhat abrasive and need lubrication — a commercially available clay lubricant or car shampoo mixed with water — to remove dirt without scratching.

The process involves using a clay bar to remove contaminants from your car's paint, leaving it smooth and ready for waxing or polishing.