A mailbox mounting nut 34 is threaded onto {HEAD ~ mailbox bolt} 38 to secure eye 49 in {TAIL ~ place}, but, leaving it free to move 
A mailbox mounting nut 34 is threaded onto { HEAD ~ mailbox bolt } 38 to secure eye 49 in { TAIL ~ place } , but , leaving it free to move
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH