Answer:
What is easy to get into, but hard to get out of?
I help engines spin and pants stay up.
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I'm many people's favorite place even though many don't remember their stay. You'll love to come but hate to leave if you get cold use my sleeves.
I wear a red robe with staff in hand and a stone in my throat.
What made Cyclops quit teaching?