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