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