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Whomever designed this whistle is an amazing engineer. I regret testing it indoors because it was so loud. I am not the creator, I was just googling whistle stls. www.thingiverse.com/thing:2933021. Print some and tip them. Holy smokes.

thingiverse.comExtremely loud and compact emergency whistle by whistleblowerRock-Solid and lightweight emergency whistle. Two chamber design. Painful loud, louder than the v29 and twice as loud as the "wannabe 129db" whistle.If you have stringing problems, this whistle will n...

Little John

@workingwithjohn.com

For context, I live out in the country and you can hear this to some extent at least a half mile down my road, it definitely makes it easier to get my kids attention out in the yard.

30/5/26, 7:18 pm0 reposts0 likes

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