{TAIL ~ A pivot pin} is passed through {HEAD ~ the tubular pivot} and eyelets and secured thereat 
{ TAIL ~ A pivot pin } is passed through { HEAD ~ the tubular pivot } and eyelets and secured thereat
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH