{HEAD ~ a slot} extending from {TAIL ~ surface portions} of said lever member into said passageway and between said first and second openings, 
extending from
{ HEAD ~ a slot } extending from { TAIL ~ surface portions } of said lever member into said passageway and between said first and second openings ,
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH