The sidewall portion extends downward from {TAIL ~ the shoulder region} to {HEAD ~ a base portion} having a base 
The sidewall portion extends downward from { TAIL ~ the shoulder region } to { HEAD ~ a base portion } having a base
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH