Ultrasound whistle? Sounds a bit cruel though, I dunno how it makes them feel | Hacker News

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		Biganon 27 days ago \| parent \| context \| favorite \| on: Teaching my neighbor to keep the volume down Ultrasound whistle? Sounds a bit cruel though, I dunno how it makes them feel

wingworks 27 days ago | [–]

Usualy doesn't work. Needs a specific type of dog, and the right device. Most of the ones sold online are scams.

sejje 27 days ago | [–]

It makes them bark more, in my experience.

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