{TAIL ~ A coupling device} is provided for receiving and securing a ball, the ball being attached to {HEAD ~ the structure} to be coupled, such as a tow vehicle in the case of a trailer hitch application 
{ TAIL ~ A coupling device } is provided for receiving and securing a ball , the ball being attached to { HEAD ~ the structure } to be coupled , such as a tow vehicle in the case of a trailer hitch application
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH