Answer:
It has the biggest wall and is also used when drinking tea.
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
Cycle Cycle Cycle.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
What is so delicate that saying its name breaks it?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.