Answer:
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?
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
What has no beginning, end, or middle?
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
Cold head and feet; round as a ball; always turning around myself.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.