Answer:
What has one eye but cannot see?
How far will a blind dog walk into a forest?
What is given but kept by the giver?
If you happen to wear one of these warm garments around, you might get doused in red paint.
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.