[quickchange]

Take vintique clamp , one 1/2 of top clamp, drill 1/8 hole in it but not right through , mark it on the glass , drill 1/8 hole through the glass, put short piece of brazing rod in the hole , refit as normal , no way will you ever loose a glass again, the rod takes the weight , done dozens for our rough roads , never had one fail, A simple solution,