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