Unopposed sessions are an important part of the progression in understanding team play and each individuals role in the team.
A very effective move that creates space through the middle of the back-line by all the attacking backs hitting various running lines.
An effective standard move that teams tend to call varying names - the aim is still the same though, to hit a hole created by effective decoy running lines.
A standard backs move that uses the thirteen to go forward through a hole or into contact.
One of a raft of moves that backs can employ from a set piece.