The device 1, wherein the enclosure is equipped with means for fastening {HEAD ~ a towing chain} of a transport vehicle, the means for fastening {TAIL ~ the towing chain} comprising: 
The device 1 , wherein the enclosure is equipped with means for fastening { HEAD ~ a towing chain } of a transport vehicle , the means for fastening { TAIL ~ the towing chain } comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH