67-9 Dart/Barracuda Vert Trim Clips

I was told by Layson’s parts they go completely underneath the pinch weld if I heard correctly. My trim has rust marks showing they were next to chrome. The holes in pinch weld are located toward body to far for a screw to go through if I spread the clip large enough to go over pinch weld. Some old clips still have screws in them with head drilled off making me wonder how they came off body since the screw is completely through clip and pushed against the solid part of clip. That makes me wonder we’re the clips above the pinch weld with only the solid part below. Yes f so how would chrome stay on and not move around

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