{HEAD ~ Each} of the first pair of engagement rods has {TAIL ~ a head} disposed at an axial end of the rod for selectively engaging and locking a first bar attached to a first side of the snowboard boot 
has
{ HEAD ~ Each } of the first pair of engagement rods has { TAIL ~ a head } disposed at an axial end of the rod for selectively engaging and locking a first bar attached to a first side of the snowboard boot
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL 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