Answer:
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
What can you hold in your left hand but can never hold in your right hand?
Mary's child slept in one of these
Lovely and round, I shine with pale light, Grown in the darkness, a lady’s delight.
It is hate and has hate in it, but it isn’t hate.
hey are producers of pies and burgers and are great for tipping.