A coupling device is provided for receiving and securing {TAIL ~ 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 
A coupling device is provided for receiving and securing { TAIL ~ 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
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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