More particularly, first and second arcuate members 80 and 82 are cut away in precisely the same manner described in connection with FIG 2 so that {HEAD ~ the peripheral portions} thereof will accept {TAIL ~ the ring} top 90 
accept
More particularly , first and second arcuate members 80 and 82 are cut away in precisely the same manner described in connection with FIG 2 so that { HEAD ~ the peripheral portions } thereof will accept { TAIL ~ the ring } top 90
OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH