When the rear lever handle is rotated in the downward position, the rotational moment is translated through {TAIL ~ the lever pivot rod} causing {HEAD ~ the upward pivot action} of the lever cam end  
When the rear lever handle is rotated in the downward position , the rotational moment is translated through { TAIL ~ the lever pivot rod } causing { HEAD ~ the upward pivot action } of the lever cam end
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH