During final displacement of the boot member, {HEAD ~ the stirrup} is resiliently displaced towards {TAIL ~ its neutral position} and serves to retain the boot member to the ski 
During final displacement of the boot member , { HEAD ~ the stirrup } is resiliently displaced towards { TAIL ~ its neutral position } and serves to retain the boot member to the ski
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH