Answer:
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I am not a toy though many use me for pleasure. I have a butt but I cannot poo.
I am a desire to munch
I start new then become old. Start clean but be one dirty. I usually start big then become little.
What made Cyclops quit teaching?