Answer:
In prison I'll be found. But I would never go to court Unless there's more than one
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
I work when I play and play when I work. What am I?
I am needed for most animals and hardcover books. What am I?
You can catch me but cannot throw me.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.