A pawl is movably secured to the frame, with {HEAD ~ an inner end} thereof located in {TAIL ~ the clevis channel} 
A pawl is movably secured to the frame , with { HEAD ~ an inner end } thereof located in { TAIL ~ the clevis channel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL