There are three offensive players and one defender
Coach has the ball (counts as an offensive playeer)
#4 sets three different screens for #1
x1 is guarding #1 and he must play his screen defense rules on the cutter
Rotate on the air-time of the ball
Communicate all of your defensive actions
Execute the proper screen defense coverage
Add in different screen actions to the series
Feel free to add a second defensive player, guarding the screener, to work on screen defense