Answer:
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
What type of paper can you neither read nor write on?
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
What instrument can make any sound and be heart, but not touched or seen?
What is full of holes, but can still hold a lot of water?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.