Player simulating overhead pass and then ball protection.
Awareness of player to pass, ball between hands, under control, alert to pass.
Protection of the ball, involves placing body between ball and opposing (invisible) player
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.