Answer:
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
What is the freedom of birds and the pen of old men?
What is made of wood but can't be sawed?
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
What covers its face with its hands, speaks no language, yet most known what it's saying?