First we invented the best whistle. Then we made it more comfortable! FEATURES: The Fox 40 Classic CMG is cushioned to enhance the original Fox 40 Classic whistle The Cushioned Mouth Grip (CMG)’s thermoplastic material provides superior grip and protection for teeth Ideal for those who need to hold whistle in mouth for extended periods of time. Flawless, consistent and reliable The harder you blow, the louder the sound
