Answer:
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
I am the noise Santa's reindeers make
I store fire-breathing animals.
What has a head but never weeps a bed but never sleeps can run but never walks and banks but no money?
Why was the cook arrested?