Answer:
What is used by man, tossed by trees, everywhere but unseen?
What do we see every day, kings see rarely, and God never sees?
Casper was a friendly one and Demi Moore made a clay pot with one.
Hearing something unexpected or touching a live wire can have this effect.
MT_TF_S What are the missing letters? Why?
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.