can anyone help me out on this,,when I reverse a bowl to clean up the bottom using a chuck I always end up marring the inside which I have just finished,,i have used different kinds of materal to put on the chuck jaws to help but I still get bad results on the inside,,and reguardless of how you do it,,you have to have it tight or else it will go flying,,if anyone cold help I would really appreciate it,,i have thought about making some kind of soft jaws for the chuck but I don't really know what material I should use,,thank you