Answer:
When I type I tap these on the keys
What never gets any wetter no matter how hard it rains?
I am the red tongue of the earth, that buries cities.
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
What hangs in the sky by day but at night goes away?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.