JoeBlack was working on a delrin replacement for those clips that would apply tension to both sides and prevent the clips from wearing like yours. He went so far as to prototype out of wood (I actually cut the parts for him on my bandsaw and we tried it on the passenger door of my Proton). It worked well but needed a little tweaking - that's as far as he got. Joe's been working to set up his farm down in Florida and get his Avionics license, so is no longer available for mods. Since he's pretty much abandoned this forum, perhaps someone else could pursue that line of research?

-- John