In this video Extreme Colors Auto Spa's owner, Doug Payne, demonstrates how to remove old, nasty, deteriorated clear bra. It's an aggressive approach, but goes faster than any other method. You will need a drill, an eraser wheel (3M preferably), Goo Gone Gel, Xpel Paint Protection Film Cleaner, Xpel Sealant (or your wax/sealant of choice), and some microfibers. NOTE: DO NOT USE ERASER WHEEL ON ANY SUBSTRATE OTHER THAN METAL!! DO not use the eraser wheel on plastic, fiberglass, or rubber as it will destroy those materials upon contact!