What is harder to catch the faster you run?
What is a shark's favorite game?
I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost everybody.
Some say we are red, some say we are green. Some play us, some spray us.
What are we?
Many-manned scud-thumper, Maker of worn wood, Shrub-ruster, Sky-mocker, Rave! Portly pusher, Wind-slave.
What am I?