{HEAD ~ The lever} is provided with: {TAIL ~ an essentially straight, internal cavity} extending longitudinally therethrough and providing 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 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 
{ HEAD ~ The lever } is provided with : { TAIL ~ an essentially straight , internal cavity } extending longitudinally therethrough and providing 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 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
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH TAIL TAIL 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 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH