A referee whistle like no other!
Designed specifically to encompass a flexible fingergrip. 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. Easy to blow and cannot be overblown. The harder you blow, the louder the sound.
The Caul® is named in honor of the late John McCauley. John was regarded as one of the best referees in National Hockey League history.