Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
What can be seen but never found that only hides in the unwound?
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.