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