connecting confronting {HEAD ~ edges} of {TAIL ~ said sleeve length portions} together in a selectively detachable manner, 
of
connecting confronting { HEAD ~ edges } of { TAIL ~ said sleeve length portions } together in a selectively detachable manner ,
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH