The apparatus generally designated 10 in the drawings comprises a collar generally designated 20 and {HEAD ~ a waterproof shroud} of {TAIL ~ flexible sheet material} generally designated 80  
of
The apparatus generally designated 10 in the drawings comprises a collar generally designated 20 and { HEAD ~ a waterproof shroud } of { TAIL ~ flexible sheet material } generally designated 80
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH