In pairs one player throws the ball to the other player who cushions and receives the ball with their thigh before playing the ball back on the half volley.
The first touch should bring the ball under control and the second should lift the ball into the feeder's hands.
World Rugby has reportedly conceded Aaron Smith's disallowed try in the World Cup final should have stood.
"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.