I talked to the guy I use but he is too busy to make them. They would actually be pretty easy to make, I will make a set off of mine and then send them to you and you can have them to make your own, they have to be hand made because of the bends and cuts but it shouldn't be to hard.
Just checking to see if I understand what we are talking about here. Took this pic of my floor with where I believe you're saying the bracket would go.
Obviously I don't have them and don't remember them being there before I changed the floor. Should you find a source for them please keep me in mind.
I wonder if my parts-car '64 Parisienne 'vert has them? I'll check.
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Prince Edward Island
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.