How to Use the 3M Dynamic Mixing System body filler gun for auto body repair
If you're into auto body repair, the 3M Dynamic Mixing System is an interesting one to try out. In this video, you'll learn how to use the body filler gun. You just might want to NOT use the zig-zag pattern used in the video to apply the filler. It's best to apply the body filler on top of each other, which will eliminate the possibility of pinholes.