Four is just two in each hand. Learning to do that one hand at a time is a nice addition to a three ball cascade. You hold the third in your other hand, and it'

Four is just two in each hand. Learning to do that one hand at a time is a nice addition to a three ball cascade. You hold the third in your other hand, and it's a good source of jokes. You can do four-out-of-five, which is a five ball cascade with a missing beat (just as how you learned two-out-of-three while learning initially). Unfortunately it's very hard and still doesn't impress people.