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