A cover is provided to fit within {HEAD ~ the mouth} at the top of {TAIL ~ the vessel} 
A cover is provided to fit within { HEAD ~ the mouth } at the top of { TAIL ~ the vessel }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL