The locking device includes a retainer which carries a radially movable locking members that are cammed outward by {HEAD ~ downward movement} of {TAIL ~ the tieback member} relative to the retainer 
of
The locking device includes a retainer which carries a radially movable locking members that are cammed outward by { HEAD ~ downward movement } of { TAIL ~ the tieback member } relative to the retainer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH