Answer:
I have a brother. However much we run we do not reach each other.
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
I am filled with garb the price is free. Just return what you don't need.
What has a neck but no head?
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
What made Cyclops quit teaching?