The yoke 40 defines a plurality of passageways or openings, e.g., openings 48, 50, which can be located at {HEAD ~ any position} along {TAIL ~ the yoke} 40, but preferably generally proximate the upper end thereof 
along
The yoke 40 defines a plurality of passageways or openings , e.g. , openings 48 , 50 , which can be located at { HEAD ~ any position } along { TAIL ~ the yoke } 40 , but preferably generally proximate the upper end thereof
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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH