Knees bent, ball released inside the square and shoulders and hip in line.
Look for a good pendulum motion when bowling. The ball should reach the recipient between knee and the top of their head height, otherwise it will be classed as a no ball.
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.