Quote Originally Posted by MMiskoe View Post
...before the new fender is hung on the car, place a beach towel on the concrete floor, put the fender outside-down on the towel and start carefully hammering w/ a rubber mallet. If you're careful, this can actually be done w/o damaging the primer and get's another item in the Hitch-Hiker's Guide for how to use your towel.
Just did that this week with a new fender for the STL car. Instead of a towel, I used a big fluffy beanbag chair and an orange rubber mallet from Harbor Freight. Unfortunately, I did crack the paint, but it's a race car so I'll survive with some rattle-can repair...

GA