Amazon.com : Dog Barking Control Devices Rechargeable Dual Sensor Anti Barking Device with Training/Deterrent Modes Dog Whistle to Stop Barking Ultrasonic Dog Barking Deterrent with LED Flashlight 35 FT Range : jmcbbin :
Angry Dog Noises Sound Effect Free MP3 | Mingo Sounds
Amazon.com : MODUS Anti-Barking Device, 3 in 1 Dog Training Device, 3 Ultrasonic Modes, Rechargeable Dog Barking Deterrent via USB Port, LCD Screen Display, Control Range up to 16.4 Ft, Outdoor and