The nut has first and second ends, the first end to engage {TAIL ~ the wheel} of the automobile, and a circumferential edge intermediate {HEAD ~ the first and second ends} 
The nut has first and second ends , the first end to engage { TAIL ~ the wheel } of the automobile , and a circumferential edge intermediate { HEAD ~ the first and second ends }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD