The side wall is provided with {HEAD ~ openings} which permit {TAIL ~ passage therethrough} of liquid from the flask to facilitate oral medicating thereby 
The side wall is provided with { HEAD ~ openings } which permit { TAIL ~ passage therethrough } of liquid from the flask to facilitate oral medicating thereby
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH