Answer:
My rings are not worth much, but they do tell my age. What am I?
Marking mortal privation when firmly in place. An enduring summation inscribed in my face.
You hold my tail while I fish for you. What am I?
You buy me to eat, but never eat me. What am I?
I have three heads. Cut off one I become stronger. Cut off two I become ten.
What do people want the least on their hands?