Answer:
Tear one off and scratch my head, what once was red is black instead!
What goes up and down the stairs without moving?
What is used by man, tossed by trees, everywhere but unseen?
Pointing North, South, East, and West it saves the lost and helps the rest. What is it?
What is the word that even in plain sight remains hidden?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?