Fender dent pulling - GIF

[nova_robotics]

Use hot glue. Seriously. Professional paintless dent repair shops do this. They either hot glue a small semi-disposable insert to the dent, or they just heat up the end of an entire stick of hot glue. You stick that to the dent, then you pull it off. It works amazingly well. I've fixed probably a dozen dents doing this. The hot glue stick will generally pop off, but you just heat it up and do it again. Do it a dozen or so times and you can massage a dent out without ruining the paint. Then a little splash of rubbing alcohol and the hot glue wipes right off without leaving a mark.

I've also repaired dents by grinding, welding studs, then using a slide hammer. But holy moly does that take a ton of work. And it never looks perfect afterwards. The paint is never 100% when you're done.

Anyway, hot glue. I'm really not joking.

Edit: I bought this exact tool off Amazon a while back. Works great.