{HEAD ~ The device} can be attached to {TAIL ~ the tarpaulin} anywhere along its edge but it is most conveniently employed at one or more available grommets 
attached to
{ HEAD ~ The device } can be attached to { TAIL ~ the tarpaulin } anywhere along its edge but it is most conveniently employed at one or more available grommets
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH