One player holds the treasure (the ball) while the robber tries to get it from them.
Try to pair players of equal size and strength to avoid physical mismatches.
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.