Answer:
What gets closer when you blink?
Metal or bone I may be, many teeth I have and always bared. Yet my bite harms no one. And ladies delight in my touch.
I have split the one into five. I am the circle that few will spy. I am the path that breaks and gives. I am the bow no man may bend.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
What lies in a tunnel of darkness. That can only attack when pulled back?
What do angels sing in the shower?