Answer:
What do you call a witch that lives in the sand?
There's one in every deck of cards and in a famous movie
What is used by man, tossed by trees, everywhere but unseen?
This heavy and ancient suit was not worn with a tie, but was always worn in battle.
What is the word that even in plain sight remains hidden?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.