With molded cushioned mouth grip

• 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
• 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
• Chambers are designed to self-clear when submerged in water