This isn't the most practical skill for players to know in a match but it's a great one for showboating.
To balance the ball on your head ensure you're balanced to begin with and then place the ball on your head and only release it once it feels stable.
The rest of this skill comes from practice - you'll need to move slightly in the opposite direction to the ball to keep it up - and this should become fairly intuitive after a few goes.
Create a resolution to develop your coaching confidence by seizing the opportunity to discover new drills, turn ideas into action and seek advice from the coaching community.
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."