Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
What does everyone know how to open but not how to close?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
This only turns over once you have traveled very far. What is it?
A cowboy rode into Friday. He stayed in town for three days and rode back on friday. How is that possible?