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      Fox 40 Caul Whistle

      A referee whistle like no other! 


      • The Fox 40 Caul® has a traditional harmonized trill tone and clear loud sound
      • The Cushioned Mouth Grip (cmG®) provides soft contact area and reduces impact on teeth
      • Compact pealess design for flawless performance
      • Flexible fingergrip fits various hand sizes and reduces transfer of impact energy to the hand
      • Elastomer Material is warmer in cold arenas
      • Indestructible polycarbonate body
      • No moving parts to freeze jam or deteriorate
      • Flawless consistent and reliable
      • The harder you blow the louder the sound
      • Easy to blow and cannot be overblown
      • Will be heard above ambient noise