An arcuate minor segment 84, which is here relatively short, is disposed in a bridging relationship with {HEAD ~ the open end} of {TAIL ~ the hinged shank} formed by the first and second arcuate members 80 and 82 
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An arcuate minor segment 84 , which is here relatively short , is disposed in a bridging relationship with { HEAD ~ the open end } of { TAIL ~ the hinged shank } formed by the first and second arcuate members 80 and 82
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH