Answer:
What goes up and down the stairs without moving?
What has a ring but no fingers?
Securing your documents is easy with these trusty metal objects
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
What instrument can you hear but never see?
If you can spot one of these eastern warriors, it means they're not doing their job right.