Answer:
This only turns over once you have traveled very far. What is it?
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
Come up and let us go. Go down and here we stay.
Snake coiled round and round. Snake deep below the ground. Snake that's never had a head. Snake that binds but not with dread.
I'm full of holes, yet I'm full of water.
The warmer I am the fresher I am.