{TAIL ~ A hollow tubular pivot} is attached to {HEAD ~ the inner end} of one of the jaws with open opposing ends 
{ TAIL ~ A hollow tubular pivot } is attached to { HEAD ~ the inner end } of one of the jaws with open opposing ends
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH