{TAIL ~ FIGS 8 10 illustrate possible alternative embodiments} of {HEAD ~ the tie} down coupling system according to the invention 
{ TAIL ~ FIGS 8 10 illustrate possible alternative embodiments } of { HEAD ~ the tie } down coupling system according to the invention
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH