Scrum (rugby) the players who are designated forwards binding together in three rows. The scrum then 'engages' with the opposition team so that the players' heads are interlocked with those of the other side's front row. In rugby union the initiation of the process is verbally coordinated by the referee who calls 'crouch, bind, set' as of 2013 (formerly 'crouch, touch, pause, engage', 'crouch and hold, engage' before 2007). The scrum-half from the team that did not infringe then throws the ball into the tunnel created in the space between the two sets of front rowers' legs. Both teams may then try
Scrum (rugby) made up of the two "flankers" and the number eight. The flankers bind on each side of the scrum — next to a lock and behind a prop. The two forward packs form a scrum by approaching to within an arms length of each other. The referee gives the command "crouch" and the opposing front rows then crouch. Then the referee calls "touch" and props touch the opposites outside shoulder. The referee then issues the "set" command which indicates that the two packs may come together. When this happens both front rows thrust forward with the tighthead props' heads going