Quote:
Originally Posted by ithacaartist
OK, the taper of the toggles explains the way the marks are. But, looking at the last pic, what is giving the appearance of a triangular area of surface which looks undisturbed, it points up into the area of the ramp (pic left) that would be expected to be worn in a mirror image of the wear on its counterpart (pic right)--as if there is a chunk missing on the toggle knob that has hit it. Or is it a photographic artifact?
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It's different because that knob has the 'toggle lock' in it, and there is a milled bevel on the bottom of the knob where it hits that ramp.