Two cones are placed left and right in front of the feeder.
Ball is fed into play.
The closest player creates a wall to stop the ball and the other play backs up the first player.
The ball is then thrown to the post and the ball thrower follows the ball to the post.
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.