In the illustrated example, {HEAD ~ the spool} comprises {TAIL ~ a slot} 126 s defined therein, and a conventional cargo retaining strap S is inserted in the slot 126 a and is wound around the spool for use/storage 
comprises
In the illustrated example , { HEAD ~ the spool } comprises { TAIL ~ a slot } 126 s defined therein , and a conventional cargo retaining strap S is inserted in the slot 126 a and is wound around the spool for use / storage
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH