Answer:
I look at you, you look at me, I raise my right, you raise your left
I know a word of letters three, add two and less there will be.
What is full of holes but still holds water?
A job that involves sitting in a highchair, wearing a black gown and smacking things with a mallet
What goes through towns and over hills but never moves?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.