Tools Required: E-Collar Technologies E-Collar (ET-300), 15Ft. Long Leash At Happy Howlin', we are passionate about helping you and your furry friend learn how to communicate better. Our program is designed to teach you how to use an e-collar to teach your dog to be off leash, while still being in control. We provide a positive and safe process for you and your pup to learn and grow together. We understand the bond between people and their dogs, and strive to help you and your pup build a stronger connection.
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