A further subsidiary object is to provide {TAIL ~ a bushing} having external projections for {HEAD ~ a pivot} pin 
A further subsidiary object is to provide { TAIL ~ a bushing } having external projections for { HEAD ~ a pivot } pin
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH