We've patched quite a few car scratches and dents in our day. We used to do it the same way we tape drywall, by applying five pounds of body filler and then sanding off 4-9/10 lbs. Then we went to ...

So, the two moved into the garage, where his friend used a heat gun to warm the steel up and try a different fix: sticking four hot glue sticks to the center of the dent and giving it a good ol' yank.