Contracting {HEAD ~ garter springs} 28 engage the footed portions 18 of the sprags 16 and urge {TAIL ~ the cams} into race engaging positions 
Contracting { HEAD ~ garter springs } 28 engage the footed portions 18 of the sprags 16 and urge { TAIL ~ the cams } into race engaging positions
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH