The invention is not limited to any particular number of {HEAD ~ particular number} of {TAIL ~ passageways} or positioning of passageways along the yoke 
of
The invention is not limited to any particular number of { HEAD ~ particular number } of { TAIL ~ passageways } or positioning of passageways along the yoke
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH