Answer:
What sphinxes employ and players enjoy.
Poor people have it. Rich people need it. If you eat it you die. What is it?
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
What can be measured but has no length, width or height?
One strand dangles. Two strands twist. Three or more can fashion this.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.