Answer:
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
The edge of earth and bread.
A crafty use of long pieces of wool to make a scarf.
It's in your hand though you cannot feel it. Only you and time can reveal it.
You could do this to a motion, see it on a watch, or place this in a race.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?