recipe for a koosh (of one variety) 1. procure large iron ball (40kg, minimum) 2. procure oceanfaring vessel 3. procure equipment for getting the iron ball really really hot 4. take the ball onboard the vessel 5. set sail out onto the ocean 6. get the iron ball really really hot 7. hurl the iron ball off the vessel, into the ocean 8. observe koosh. You can also hire a koosh-maker to do this for you