Answer:
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I stare at you, you stare at me.I have three eyes, yet can't see.Every time I blink, I give you commands.You do as you are told, with your feet and hands.What am I?
I travel in a gaggle.
In many hall ways you would stand if not with me in hand.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.