The signal device consists of {TAIL ~ a piece} of strong wire or light rod with an eye formed on the rear end and {HEAD ~ a signal flag} of flexible material attached near the front end 
The signal device consists of { TAIL ~ a piece } of strong wire or light rod with an eye formed on the rear end and { HEAD ~ a signal flag } of flexible material attached near the front end
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH 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