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