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Handor ball dedicated whistle VORCA (Volca) will be released from molten company on January 21, 2017
Referee whistle specialized for handball competition style will be released from sporting equipment manufacturer's Molten. It is a competition whistle that follows football's Balkin, Basket of Brazza. Since DEEVO (Divo) dedicated to the volleyball referee will also be released at the same time, there will be a total of four whistles by competition.