Description: The Roy Gonia Special Dog Whistle is hand-crafted and has been used to train more Field Champions than any other whistle. The whistle features a lower-pitched sound that carries farther and an easy to blow design for effective communication while training or in the field. The Roy Gonia Special is a great all-around dog whistle that's used by both pros and amateurs across the world for all breeds of hunting and working dogs. Designed specifically for a dog's sensitive hearing, Roy Gonia Whistles are used by both professional trainers and knowledgeable amateurs throughout the world for all breeds of hunting and working dogs. Save on Roy Gonia Whistles. We just lowered our dog training whistle prices to the lowest Discount prices possible.