Mothers 07240 California Gold Clay Bar System Amazon.com: Car Clay Bars Auto Detailing 400g and Clay bar Lubricant Tablets 8 Pack(1pcs=16 oz) Clay bar kit,Include Portable Spray Bottle and Micro Fiber Towel,for Car Detailing Damage Free Cleaning : Automotive 3D GLW Series Clay Lubricant 16oz Synthetic Clay Bar Lube 3D GLW Series Clay Lubricant 16oz Synthetic Clay Bar Lube A lot of people use soap to clay and that's perfectly fine! I assume, a lot of the people use the clay the one time for the car, and throw it away.