Answer:
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
I'm found on Windows yet I am just a decoration. What am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
I have more shoes than anybody but less feet than everyone. I am met in the morning but departed in the night. I may shake as if I'm angry but I won't bite.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.