This is an advanced wall tennis ball toss basketball dribbling drill, but if you are looking to work on your combination dribbling moves it is a great drill to use. After you sell the in and out move on the defender, you need to as quickly as you can put the basketball over to your other hand and then go by the defender. Putting the basketball between your legs will help to protect yourself from getting the ball tipped away from you by the defender as you make the move. When doing this basketball drill don't worry about messing up. It is going to be challenging at first so just do your best.