Answer:
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
If I have it I don't share it. If I share it I don't have it. What is it?
I have an eye but I cannot see. What am I?
In buckles or lace, I help set the pace. The farther you go, the thinner I grow. What am I?
With three eyes and as black as night I frequently knock down ten men with a single strike!
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.