According to another aspect of the present invention there is provided a method of securing {HEAD ~ a fabric material} in {TAIL ~ a retention groove} disposed circumferentially about a rectangular frame by applying a spline cord in the groove with a fabric portion being disposed therein 
According to another aspect of the present invention there is provided a method of securing { HEAD ~ a fabric material } in { TAIL ~ a retention groove } disposed circumferentially about a rectangular frame by applying a spline cord in the groove with a fabric portion being disposed therein
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH