How do you lock it in the open position? Boil it until it opens and put an object in between the plate and openning?
Brute force and brass shell casings, in my case. See: http://cathey.dogear.com/SDLcool.html and http://cathey.dogear.com/JSLcool.html Copper tubing would also work. (Easy to work.) No, you don't want it to get loose, but it won't if you crimp the slot shut. (No slot required for the one in her 450 SL.) -- Jim