Answer:
What flies forever, rests never?
Gumby and yoga instructors have this in common.
In the middle of night, I surround the gong. In the middle of sight, I end the song
You use it between your head and your toes, the more it works the thinner it grows. What is it?
Spies and detectives do this to phones and musical shoes make this sound.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.