This lightweight, compact, silent whistle is ideal for dog training, both indoors and out. It is also possible to alter the pitch of the whistle by using the adjustment screw. Silent whistles are particularly suited for training noise-sensitive breeds such as Border Collies. It should be noted that this whistle is just audible to the human ear, essential for gauging its efficiency.
• Compact design
• Great for noise-sensitive breeds
• Adjustable pitch

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