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