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