Players stand with one player in the middle and five around the outside.
It's the aim of the outside players to pair up and shut down the middle player's escape route - using shoulder strength to box out the middle player.
Defending in a personal duel:
Be strong but don't push!
Keep arms slightly bent and in front of you, prevent the attacker from coming between your arms. Stay between the goal and attacker.
"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.