Whistle VALKEEN/RA0030-K/molten

This whistle was developed for and used by Yuichi Nishimura,theJapanese chief referee for the2010J-League and the same year's World Cup.Simple and lean form that symbolizes thereferee'sdignity and impartiality.

■The pinnacle of whistles exclusively for soccer!Aloud,expressive, thick and crisp high tone thatechoes across the pitch with loud cheers.

The interference of two sound wavelengths, 4.15 kHz and 3.67 kHz, produces a unique undulation. In addition, the large protruding fins at the top and bottom control the airflow, producing a thick, crisp, fast-rising sound that includes as many as four octaves of higher-order overtones.

The name "VALKEEN" is inspired by the image of Valkyrie, the goddess of war, who praises the valiant.

*Designed to produce a loud sound, the sound may be faint when blown lightly.