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Charlotte Emergency whistle
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Loud emergency whistle with Charlotte Whistle Protocol instructions and the Queen city logo on the opposite side
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Model information
- Source
- Printables
- Category
- Audio
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Chicagoans created these emergency whistles, and I modified them with information pertaining to the Charlotte area. While this is an original creation, the resonance chamber is certainly inspired by the Loudest Emergency Whistle by @ThreeDMichael.
The whistle itself is quite loud, very sturdy, and the 3/16" (4.8mm) eyelet will fit a standard split keyring 1" (25mm) or larger.