Answer:
What has a ring but no finger?
I have a straight back and sharp teeth to cut objects.
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
I may be of the eye, in order I am pie. In my center there is a star, I keep medics where they are. What am I?
I have three feet but no arms or legs
I am your mother's brother's only brother in law. Who am I?