Pass B2-B3 who runs forward to W5 and passes to B4 who run into the gap between W5 and W6 and throws at the goal.
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.