Answer:
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
If I have it I don't share it. If I share it I don't have it. What is it?
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I'm found in socks ties and hands. What am I?
I am free the first time and the second time, but the third time is going to cost you money. What am I?
The answer I give is yes, but what I mean is no. What was the question?