Answer:
I have a neck but no head. I have a body but no arm. I have a bottom but no leg.
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
I can move even when you are still. I can be one or many.
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
When is it bad luck to see a black cat?