Answer:
I am used when you jump off a bridge for fun.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.
I have no life but I can die. What am I?
What made Cyclops quit teaching?