66/7 have a clip at the very front on the door.
I had Restoration Specialties make me a set of inner and outer fuzzies for my wide chrome 66 hardtop. So they have the pattern and can make them for 66/7 hardtop. I sent them a set for a pattern. The fit was good not perfect, the inner side window ones could have had slightly more up angle at the front. Remember these are reproductions but the best I have found. Thanks Bill.