Jake Bullock Dunk Rebound Yo-Yo - D size Bearing - 7075 Aluminum YoYo,Jake Bullock Dunk Rebound Yo-Yo - D size Bearing - 7075 Aluminum YoYo,This is the third yo-yo in what I jokingly/lovingly call “The Dunk Trilogy”. It's called the Slam Dunk, and it's the natural final evolution of my dream yo-yo. . Bi-material yo-yos will,Jake Bullock Dunk Rebound Yo-Yo - D size Bearing - 7075 Aluminum YoYo,Introducing the DUNK by Jake Bullock - Page 4 - Up & Coming Manufacturers - YoYoExpert,