{HEAD ~ The retraction assembly} releases {TAIL ~ the cords} by pivoting either one of the shoulder stops toward the foot end of the frame 
releases
{ HEAD ~ The retraction assembly } releases { TAIL ~ the cords } by pivoting either one of the shoulder stops toward the foot end of the frame
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