Answer:
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
I sit in a corner while travelling around the world.
I am needed for most animals and hardcover books. What am I?
I am an activity involving pins flying in the air.
I may be made of metal bone or wood and have many teeth. My bite hurts no one and the ladies love me.
The answer I give is yes, but what I mean is no. What was the question?