The deep players rally the ball back and forth between one another.
The blue receiver's partner attempts to intercept the ball down the middle.
Once the ball has been intercepted the point is live.
The players rotate clockwise round the court after 6-8 rallies so that each player gets to play in each position.
This drill is pretty demanding unless the players are very advanced.
The coach might have to adapt as appropriate if the players find the task too demanding.
"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.
As we enter the business end of the competition, we take a look at the remaining eight teams and the key talking points surrounding each side.