{TAIL ~ Still additional protection} can be provided for user 20 by moving {HEAD ~ flap} 22 from an uncovered configuration, as shown in FIG 2, to a covered configuration, as shown in FIG 1 
{ TAIL ~ Still additional protection } can be provided for user 20 by moving { HEAD ~ flap } 22 from an uncovered configuration , as shown in FIG 2 , to a covered configuration , as shown in FIG 1
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH