Each shooting session has one person in overall charge of procedure and safety. Called the ‘field captain’, they use a whistle to start and stop shooting. If a potentially dangerous situation is spotted (stray animals, uncontrolled children, potential disturbances, etc. either in front of the shooting line or behind), they will shout ‘FAST’ to warn all archers to stop shooting and return from full draw to the at ease position. In fact, any archer who spots something unsafe can shout fast. Fast is short for ‘hold fast’ – to stop.