{HEAD ~ The forward ends} of a pair of lower draft links are secured to {TAIL ~ the outer ends} of the shaft  
{ HEAD ~ The forward ends } of a pair of lower draft links are secured to { TAIL ~ the outer ends } of the shaft
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH