Answer:
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I am heavy forward, but backward I'm not. What am I?
I'm not a bird, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
Cold head and feet; round as a ball; always turning around myself.
I flow from the Homerβs mouth when he sees doughnuts.