X-zylo Mini has flown onto the outdoor recreational scene as one of the most exciting games of catch, the toy unofficially broke the world flying disc distance record when it was thrown 655 feet. NASA scientists, renowned aerospace engineers and academic institutions have met with the makers of the X-zylo, the William Mark Corporation, and studied X-zylo's fascinating flight technology, yet no consensus has been reached on how X-zylo actually flies. 7