Answer:
What can't you see, hear or feel, until its too late. What shadows love, and shopkeepers hate?
I can move even when you are still. I can be one or many.
What points the way without a hand. It floats on water but exists on land?
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
A doctor might remove one from the neck of a Dracula victim.
I can only be played on a windy day