Originally Posted by Thorn

Another good one is "3M Auto Body Tape". It is extremely heavy-duty aluminum tape with a permanent adhesive backing. The width is usually 2" in the standard roll, and it is probably double the thickness of HD aluminum foil.

Those of use that live in climates where salt is needed on winter road surfaces know about it. It allows you to patch major holes in car and truck bodies and make it through inspection without the expense of real body work.