Whether as a referee or useful piece of equipment for leisure kicks. With the referee whistle METAL in classic color you are prepared for every situation and get the attention you need as an impartial. Thanks to the practical cord, you can hang it comfortably around your neck and don't have to worry about your working instrument when you are concentrating on the game. You can also attach the pipe to your key ring with the simple snap hook. This makes it easy to whistle the kick with your friends as well.