The rollball is the most-repeated action in touch. It happens after every single touch — six times per set, hundreds of times in a match. The team that rollballs faster and cleaner controls the tempo of the game.
The mechanics are simple. The touched player stops at the mark — the exact spot where the touch happened. They face their own try line, place the ball on the ground between their feet, and roll it backward with the foot. A teammate steps in as dummy half and picks it up.
Speed matters. A defender who hasn't fully retreated 7 meters is a defender who can be attacked. The faster the rollball, the less time the defense has to set. The slowest, easiest moment for a defense is when the touched player walks back, sets up slowly, and lets the defense reset for free.
Accuracy matters too. The ball should go straight back, not sideways. A sideways or skewed rollball forces the dummy half to chase the ball and slows the team down. Foot placement should be consistent: ball under the foot, brief downward press, smooth backward roll.
The most common failure modes are slowness; drifting forward of the mark (an automatic turnover); rolling the ball too far or too short for the dummy half to pick up cleanly; using the hand instead of the foot (illegal); rolling at an angle so the ball drifts sideways; the dummy half stepping in before the ball is fully rolled; and standing up too early and obstructing the play. None of these are dramatic mistakes on their own — they're small repeated lapses that quietly cost a team possession and tempo across a match.
A clean rollball looks unremarkable. That is what makes it valuable: control the rollball and you control the pace of every set.