The end flap structure may readily be tucked into {HEAD ~ position} between the walls of the receptacle and {TAIL ~ the bag} 
between
The end flap structure may readily be tucked into { HEAD ~ position } between the walls of the receptacle and { TAIL ~ the bag }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL