a hooking device which is configured to be fastened to {TAIL ~ the end} of {HEAD ~ the towing chain}, and comprises an openable hook situated at the center of a conical enclosure the upper end of which has an oblong opening complementary to the shape of the ring 
a hooking device which is configured to be fastened to { TAIL ~ the end } of { HEAD ~ the towing chain } , and comprises an openable hook situated at the center of a conical enclosure the upper end of which has an oblong opening complementary to the shape of the ring
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH