Answer:
What force and strength cannot get through I with my unique teeth can do.
I may be made of metal bone or wood and have many teeth. My bite hurts no one and the ladies love me.
I begin and have no end. Eventually, I will be the ending of all that has begun. What am I?
Drop me and the world will shatter. You can always find me where you empty your bladder. What am I?
I have feet on my head
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.