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