The lever is provided with: an essentially straight, internal cavity extending longitudinally therethrough and providing {TAIL ~ a first access opening} in the free end of the lever; an attenuated, internal passageway in communication with the cavity and diverging away from the latter toward {HEAD ~ the free extremity} of the lever and terminating in a second, recessed access opening; and, an access slot extending between the access openings and into the passageway 
The lever is provided with : an essentially straight , internal cavity extending longitudinally therethrough and providing { TAIL ~ a first access opening } in the free end of the lever ; an attenuated , internal passageway in communication with the cavity and diverging away from the latter toward { HEAD ~ the free extremity } of the lever and terminating in a second , recessed access opening ; and , an access slot extending between the access openings and into the passageway
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH