Answer:
There are several different kinds, but the one you pick doesn't do its job. What is it?
The barber of New York shave all men in New York. No man living in New York is allowed to shave himself. The barber of Nee York lives in New York. Who shaves the barber ?
Men have one, women two, and when they become family, itβs three. What is it?
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
I have an eye but cannot see, You'll head inside when you see me.
You use it between your head and your toes, the more it works the thinner it grows.