Players work in pairs with two balls between them. One ball starts on the floor with a player while the other ball is in the hands of the players opposite.
The ball is overhand passes at the same time that the other ball is pushed by the leg of the opposite players.
This drill is great for improving leg-hand coordination and also works on improving players vision.
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.