In pairs the players face each other with a ball each.
Player 1 holds the ball with one hand, but it must be opposite hand to his/her partner.
On the coach's signal both players throw the balls underhand to each other, but each player must catch the ball with the opposite hand he/she threw the ball with.
Ask the players to move so they are either throwing the ball shorter or further away. If further away it should increase the workload on their legs.
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.