{TAIL ~ A rod support member} is coupled to {HEAD ~ the base} of the rod in a manner to permit the rod to pivot about its base 
{ TAIL ~ A rod support member } is coupled to { HEAD ~ the base } of the rod in a manner to permit the rod to pivot about its base
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH