if someone had a knackered tuff 2 they could try a heat gun from a little way away from mthe rim , i know this works on some plastics used on cars i.e black body kits and them black plastic bumpers on m reg corsa's , if some ones got a knackered rim it would be worth a try but i wouldnt try it on rims i was gonna keep , in fact i may have a nose about in my loft i am sure i have a naff black rim i will try it.