What you need to know: - Incredibly piercing, high penetrating sound frequency (click to hear)
- Ear protection recommended for extended use
- Used by professional referees in the world's loudest stadiums
- The world's most powerful whistle
- Made in England
When used in self defense, this whistle can really call attention to your situation. The noise alone can be startling to an attacker, and it will cause hearing damage by prolonged exposure. Used to call for help, taxis, and when camping. item/103 |
