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