Answer:
What can travel all around the world without leaving its corner?
Soft hairy from door to door. I am the pet that always stays on the floor.
What has many teeth but can't bite?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.