Answer:
When I am caught, I am thrown away. When I escape, you itch all day. What am I?
you hold my tail while I fish for you
I have a hundred legs but cannot stand. I have a long neck but no head. I cannot see and I help keep your house neat and tidy.
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
I am what no man ever yet did see, which never was, but always is to be. What am I?
When is it bad luck to see a black cat?