Answer:
Weight in my belly trees on my back nails in my ribs feet I do lack.
What is so delicate that saying its name breaks it?
I have hands but cannot clap. What am I?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
You use a knife to slice my head but you weep beside me when I am dead
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.