The end portions of the first and second arcuate members 80 and 82 form a groove for {HEAD ~ purposes} of accepting {TAIL ~ clip springs} 98 and 100, as best shown in FIG 6, and grooved portions of the pair of arms 86 and 88 
The end portions of the first and second arcuate members 80 and 82 form a groove for { HEAD ~ purposes } of accepting { TAIL ~ clip springs } 98 and 100 , as best shown in FIG 6 , and grooved portions of the pair of arms 86 and 88
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH