{TAIL ~ The first and second rod retainers} pivot from a lowered position to {HEAD ~ a raised position} 
{ TAIL ~ The first and second rod retainers } pivot from a lowered position to { HEAD ~ a raised position }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD