OPTiX Heavy Duty Clay BarOPTiX Heavy Duty Clay Bar Clay bars are an essential item for the decontamination process. The purpose of a clay bar is to release as well as pickup embedded soil, dirt, iron, paint overspray and more from the paint not only leaving you with a smooth surface but a clean one at that to prepare for polishing, waxing and or coating. The OPTiX Heavy Duty Clay Bar is the heaviest clay bar OPTiX has to offer and will be the brute force you need for highly