2 threes play regular rally, also start with service.
on the other side 3 players handle the service, and deliberately play a high underhand ball.
team on the other side has to handle the ball by running well, the 2 outfielders have to go backwards, the passer calls loose, the midfielder calls high ball, and distributes the game.
The 2 outfield players have already made a few steps to the back to assist with the high ball, and are thus ready to attack.