Answer:
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
As light as a feather, but you canβt hold it for ten minutes.
You use it between your head and your toes, the more it works the thinner it grows.