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 the groove in the side member while forcing {HEAD ~ the spline cord} in the groove over {TAIL ~ a portion} of fabric 
over
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 the groove in the side member while forcing { HEAD ~ the spline cord } in the groove over { TAIL ~ a portion } of fabric
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH