{TAIL ~ A mouthpiece} is attached by a reduced diameter neck to the first end of {HEAD ~ the cup portion} 
{ TAIL ~ A mouthpiece } is attached by a reduced diameter neck to the first end of { HEAD ~ the cup portion }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD