13-05-13, 11:54 PM
I dunno man. I'd reckon the composition of the rubber on a car would have to be more durable than on a pair of trainers. The level of abuse a bumper has to endure would probably allow for some sort of reconditioning, a pair of shoes, to quote my learned colleague above, "gulp" indeed. Also, as a shell is textured, surely any kind of heating is likely to alter the look.
Rock the Shells