a tether passing through the stitched loops to facilitate {HEAD ~ application} of {TAIL ~ tension} to the apparatus 
of
a tether passing through the stitched loops to facilitate { HEAD ~ application } of { TAIL ~ tension } to the apparatus
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH