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