I used a strip of thick vinyl tape (actually some old retro-reflective tape) on the moving side of the clamp. Doesn't need much thickness.
Any thin strip, e.g. ABS sheet, thin aluminium, pc board, stuck on with silicone or slowish setting glue would work. Clamp onto dovetail bar until set.
Last edited by pdalek; 18-12-2013 at 04:46 AM.
Reason: Added image
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