The five-metre scrum

This scrum is one of the best ways of cranking up the pressure on your opponent's defence.

It is given to the attacking side after one of the defending team has grounded the ball inside their own goal area.

But it is only given if a member of the defending team has carried or passed the ball back into their own in-goal area before the ball is touched down.

The 22-metre drop-out

If this is not the case, the defending team is awarded a 22-metre drop-out.

The other way a five-metre scrum can be awarded is if the attacking team gets within five metres of the try line, but is held up by the opposition's defence.

Because the attacking team has the momentum going forward, the referee will award it the feed at the scrum.