2 players per group, 1 ball per pair.
Players inside the grid are without the ball, players on the outside each have a ball.
The inside players move around the grid freely, looking to receive a ball from an outside player and return it as quickly as they possible.
"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.