A predetermined length of {TAIL ~ fabric material} is then positioned to the frame to overly {HEAD ~ the retention groove} of the side members 
A predetermined length of { TAIL ~ fabric material } is then positioned to the frame to overly { HEAD ~ the retention groove } of the side members
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH