{TAIL ~ This insertion opening} can be advantageously closed by means of {HEAD ~ a drawstring} or a rain protection flap 
{ TAIL ~ This insertion opening } can be advantageously closed by means of { HEAD ~ a drawstring } or a rain protection flap
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH