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