{HEAD ~ an elongate lever member} for manipulating said control line and having {TAIL ~ a pivoting extremity} and a free extremity, 
having
{ HEAD ~ an elongate lever member } for manipulating said control line and having { TAIL ~ a pivoting extremity } and a free extremity ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH