said {HEAD ~ lever member} having {TAIL ~ an elongate passageway} therewithin extending substantially throughout the entire length thereof from adjacent said one pivoting extremity thereof to adjacent said free extremity thereof, 
having
said { HEAD ~ lever member } having { TAIL ~ an elongate passageway } therewithin extending substantially throughout the entire length thereof from adjacent said one pivoting extremity thereof to adjacent said free extremity thereof ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH