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