Pass A to C who crosses with D. Then pass from D to B who shoots at the goal.
Players change positions: A to B, B to C, C to D, D to A.
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.