Answer:
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
I have a neck and no head, two arms but no hands. I'm with you to school, I'm with you to work. What am I?
The Titanic is still here.
I am made of wood but can't be sawed? What am I?
A hundred arms, a thousand fingers, but I have no eyes to see where I linger. What am I?
A little house full of meat, no door to go in and eat.