{HEAD ~ The shape} of {TAIL ~ the mount} allows for it, and an engaged strap, to pass completely through a hole in a structure and then be oriented so that the strap mount will be prevented from returning through the hole 
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{ HEAD ~ The shape } of { TAIL ~ the mount } allows for it , and an engaged strap , to pass completely through a hole in a structure and then be oriented so that the strap mount will be prevented from returning through the hole
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 OTH OTH OTH OTH OTH OTH