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