Good Riddles

Question: I attach to your hip and I sing all day.
All I want to do is play.

Question: Without fingers, I point,
without arms, I strike,
without feet, I run.

What am I?

Question: A butcher named butch is 6 feet tall and has size 12 shoes.

What does he weigh?

Question: A man drives from San Francisco to Honolulu without any of his tires.

How does he do this?

Question: The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?