A flow barrier includes a plug section which may block {HEAD ~ the lower opening} to permit {TAIL ~ the utensil} to be used as a measuring cup 
to permit
A flow barrier includes a plug section which may block { HEAD ~ the lower opening } to permit { TAIL ~ the utensil } to be used as a measuring cup
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH