8 players per court, 4 players as feeders and 4 players as returnees. Change roles after a set time (i.e. 3 minutes).
Feeders: Throw the ball with lots of height over the net in the direction of the player. The receiving player has to be in the middle of the court.
Receiving players: Catch the ball and roll it back under the net to the player that did not have the ball before the practice started. Player should go to the back of the queue after each time.
World Rugby has reportedly conceded Aaron Smith's disallowed try in the World Cup final should have stood.
"It is not only useful for staff who are experienced but a valuable tool for those subject staff who have to take teams."
The variety of sessions across sports - sometimes we steal session ideas from one sport and use them with another.