Answer:
You use it between your head and your toes, the more it works the thinner it grows. What is it?
Long and thin, red within, with a nail at the end.
Makes arrows fly and kites soar!
You walk into a room with a match, a kerosene lamp and a fireplace. Which do you light first?
What kind of nail can be grown?
If you can spot one of these eastern warriors, it means they're not doing their job right.