A non powered, canine barking suppression device that can rapidly altering a dog's behavior so as to visibly reduce anxiousness and unwanted barking.The device subjects the dog to random vibrations and audible tones generated by an enclosed tuning fork that is worn around the dog's neck. The tuning forks when struck, emit a selected frequency selected for a specific purpose and or specific breed of canine. This frequency lies between 0 and 200,000 Hz, which is the range of sound that has been shown that most canines can hear. Since it is non powered it is not prone to failure in wet or cold environments, is durable and inexpensive. The device has claims of additional therapeutic properties and the general physical structure has applications elsewhere, although the preferred embodiment and best mode are directed to stopping unnecessary barking.