The package is opened by rotating the tab so that the forward portion of {HEAD ~ the tab} pushes {TAIL ~ the openable flap} into the container 
The package is opened by rotating the tab so that the forward portion of { HEAD ~ the tab } pushes { TAIL ~ the openable flap } into the container
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH