Ensure that players:-
Bind correctly.
Keep the scrum square.
Keep correct body position.
Hooker to strike for the ball - signal the scrum half
Hook ball back with right foot between left hand props legs.
Both sides remain static and do not contest the ball.
Ensure crouch, touch, pause, engage.
Heads must always be above hips.
Swap players around each position.
Read RFUs latest guidance on scrummaging.
Use in a game when everyone is confident.
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.