Over a large tackle bag, the defender can't get low enough to ruck the opposing player off the ball so must use their weight against them. Therefore, the crocodile roll is used; the defender goes over the opposition and rolls sideways with the opposition, thus clearing the ruck.
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."