Tyler “Jukebox” Ray is one of the rising stars of the dunking scene. Since dude is also a professional fitness coach he has decided to share some insider tips with all of you. Ty has set up a network of elite trainers and partners to create “Project Vertical” and you can now get a free preview of his jump program over at www.jumpupdunkdown.com. Jukebox himself has gained 11 inches on his vertical using said program. Need proof? Simply check out the video below!