Stage three of the serving progressions;
Working in pairs, players throw the ball to go over the net to their partner (with no bounce), stepping forward with the opposite leg to the hand that you roll the ball over with (using body weight).
So if players throw the ball with their right hand they should step forward with their left foot.
The ball should pass with a bit of loop over the net.
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.