An arcuate bracket arm has {HEAD ~ one end} thereof connected to {TAIL ~ the rear} of the base plate 
connected to
An arcuate bracket arm has { HEAD ~ one end } thereof connected to { TAIL ~ the rear } of the base plate
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH