Players must throw a self pass by putting throwing the ball ahead of themselves with back spin before jumping and catching the ball.
After having caught the ball players should land solidly on both feet before then selecting which way they are going to pivot in order to shield and protect the ball from the imaginary defender.
As players catch the ball they should be always thinking about where they can pass the ball to by catching the ball between their hands, under control with the intention to pass.
Protection of the ball involves placing body between ball and the opposing (invisible) player.
"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.