Specifically, {TAIL ~ the end} 31 of the prop 21 is pivotally connected to the link 32 which, in turn, is pivotally connected to {HEAD ~ the bracket} 33 
Specifically , { TAIL ~ the end } 31 of the prop 21 is pivotally connected to the link 32 which , in turn , is pivotally connected to { HEAD ~ the bracket } 33
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH