The degree of parallel disposition of the straps 10,10 depends upon the distance between {TAIL ~ the outer S hooks} 26 employed between {HEAD ~ the two straps} 10,10 
The degree of parallel disposition of the straps 10,10 depends upon the distance between { TAIL ~ the outer S hooks } 26 employed between { HEAD ~ the two straps } 10,10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH