Attackers try to score a goal when defended by one defender.
After their shot the attacker collects their ball and joins the back of the line. If the defender wins the ball they rejoin the back of the line and the attacker who lost the ball becomes the new defender.
"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.