Has any one done this or had it done to your car?I heard of this being done to help remove some of the smaller dings in hard to get to places like your roof or quater panels. I think you just get a chunk and being careful of how close you get to the paint, you wave across a few times and the extreme coldness helps to "shrink" the metal. It seems to be done more around the areas that get alot of hail but with all the crazy weather lately, that could be just about anywhere.