When defending off the ball keep space between yourself and the dribbler. Keep a gap. There are basic individual defense skills needed in all defensive systems. Four lines of players in the baseline. The first player in each line assumes a defensive stance with the next player in an offensive stance.
Players switch positions on the return trip.
Teacher starts with the ball in the middle then dribbles to one side as defenders adjust to closed and open stance positions. Teacher may pass and offensive players go live or penetrate at any time. The drill rotation is from offense to defense to back of opposite line.