Answer:
What is full of holes but still holds water?
Lighter than feather and softer than silk, yet the strongest man in the world cannot hold me for more than a few minutes. What am I?
What can be cracked before it's used?
I am a box who holds keys but not locks. With the right combination I may unlock your soul
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.