In order to do this drill you need two balls. You get the balls and jump while you're dribbling. Then you touch your stomach and dribble with your knuckles. Then you bend over and dribble with your knee. This will give you a well balanced crossover.
Hand speed and balancing the crossover.
This basketball drill is licensed under a Creative Commons License. This drill is from Pål Degerstrøm at www.degerstrom.com/basketball.