7 Managing a Game and the Use of Cards When managing play it is advisable to use different whistle strength and tones to highlight the intensity of infringement. Small infringements such as the ball hitting the foot should be a softer whistle while more serious infringements such as dangerous tackling should result in a loud more forceful whistle. playmedia Watch video below VIDEO - Mouse over for controls Did you know? Hockey was played in the Scottish highlands in the 1700s. It used to be called Shinty.
Hockey NZ Umpiring Gbook
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