At least one biasing member is held within {HEAD ~ the housing}, the biasing member biasing the slider against the second portion of {TAIL ~ the arm} 
At least one biasing member is held within { HEAD ~ the housing } , the biasing member biasing the slider against the second portion of { TAIL ~ the arm }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL