{HEAD ~ A movable stirrup} on the binding member is resiliently biased to {TAIL ~ a neutral position} 
is resiliently biased to
{ HEAD ~ A movable stirrup } on the binding member is resiliently biased to { TAIL ~ a neutral position }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL