Player 1 (the spiker) passes the ball to player 2 (the setter) who sets it up for the spiker to attack with the aim of landing the ball on one of the target mats placed in various positions on the court.
Ask your player to control the ball completely rather than spike it heavily. Get players to hit the targets regularly.
As players get better make the targets smaller
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.