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