NEW and exclusive to Gunners Up! The Gunners Up ACME Mega Whistlereachesfartherdistanceswith MEGA volume! These whistles are custom made with ACME whistles with fastener rings for lanyards and Gunners Up directional cone. MEGA volume and pitch is projected to farther distances while protecting handler's ears. Thick whistle walls to help prevent cracking when being bit during frustrating periods of handling and competing!!