The elastomeric material encapsulating the extension arm 11 can be made from a multitude of {HEAD ~ materials}, such as rubber or a metal conduit or even a telescoping metal shaft having a ball and {TAIL ~ socket} at each end 
The elastomeric material encapsulating the extension arm 11 can be made from a multitude of { HEAD ~ materials } , such as rubber or a metal conduit or even a telescoping metal shaft having a ball and { TAIL ~ socket } at each end
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH