Had to fit a door skin to a new Toyota yaris. When doing door skins there are 2 types. One that goes around the whole door frame and the others weld onto the frame under the weather strips. The yaris that I was working on is the type where the skin goes around the whole frame yet Toyota make the door skin replacement panel minus part of the skin around the top of the door frame.
So instead of just doing the whole skin I had to cut, weld and bog instead of hammering the whole skin on and not needing to use bog