Answer:
Long and thin red within with a nail at the end.
The last man on Earth received a phone call, who was the caller?
A butcher is 6 feet tall and wears size 12 shoes. What does he weigh?
My rings are not worth much, but they do tell my age. What am I?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
What is yours but only used by others?