Answer:
What goes around the wood but never goes into the wood?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I am an activity involving pins flying in the air.
I transfer oxygen from the atmosphere to your blood
I have skin, more eyes than one. I can be very nice when I am done. What am I?
Boxers do this for a living and kids do it in the backseat for free