D. T. Systems SportDOG Brand Roy Gonia Mega Whistle -
Designed for serious dog training, the SportDOG® Roy Gonia Mega Whistle helps you reach out to your dogs with great long range control. The Mega Whistle features an easy to blow design that directs sound forward and protects the handler's ears. Great for training in wet and windy conditions that require a louder whistle. The whistle has an attached gold color metal ring and bright orange tip for easy visibility.