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