Answer:
I must be broken before you can use me.
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
Without me everyone would lose their head.
I am full of holes but still hold water. What am I?
Deposit red liquid in me.
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.