Answer:
Tear off my skin. I won't cry, but you will. What am I?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
A butcher is 6 feet tall and wears size 12 shoes. What does he weigh?
I ask no questions but receive a lot of answers. What am I?
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.