A spline cord positioner is displaced to a predetermined position on one of the side members of the frame and a spline cord is disposed in the groove by displacing the positioner along the entire length of {TAIL ~ the groove} in the side member while forcing the spline cord in the groove over a portion of {HEAD ~ fabric} 
A spline cord positioner is displaced to a predetermined position on one of the side members of the frame and a spline cord is disposed in the groove by displacing the positioner along the entire length of { TAIL ~ the groove } in the side member while forcing the spline cord in the groove over a portion of { HEAD ~ fabric }
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