For this configuration hook 60 can rest on {HEAD ~ the lower protruding edge} eliminating {TAIL ~ the need} for cocking hole 24 
eliminating
For this configuration hook 60 can rest on { HEAD ~ the lower protruding edge } eliminating { TAIL ~ the need } for cocking hole 24
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH