1st two men to a defensive ruck set up low either side of the Ruck
2nd two men set up next to him
They are to defend any inside runners and force the opposition to move the ball wider.
Create a resolution to develop your coaching confidence by seizing the opportunity to discover new drills, turn ideas into action and seek advice from the coaching community.
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."