Answer:
Everyone has me, but nobody can lose me. What am I?
With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?
I mirror your actions.
I begin and have no end. Eventually, I will be the ending of all that has begun. What am I?
I hatch without food
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.