Answer:
This became a fashion statement in the garden of Eden.
People want it, and when they have it, they use it by giving it
I occur twice in eternity. And I'm always within sight.
What sphinxes employ and players enjoy.
Tear one off and scratch my head, what once was red is black instead!
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.