Original Referee Whistle Fox 40 CAUL

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

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