Jack Cascio of Twice The Speed LLC shows you a few tips you NEED to do in order to dunk a Basketball. A lot of times it's not about needing to jump higher! It's about being able to control the ball by being able to palm it throughout the entire dunk motion. If you find yourself losing the ball on the way up to the hoop then you need to do these two easy to add exercises on a regular basis. Too many vertical jump experts only give you tips how to jump higher…but you need to be the complete package if you really want to dunk.