Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
What wears a coat in the winter and pants in the summer?
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
What always goes to bed with his shoes on?
When is it bad luck to see a black cat?