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Fox 40

Fox 40 Whistle

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Fox 40 Whistle

The whistle of choice for professional sports and Olympic competitions. It has a patented 3 chamber design and no "pea" to stick and impede sound. The harder you blow, the louder the sound.


The whistles must be done vigorously and leaving enough separation between them.

- A whistle : Indicates Stop. Maneuver completed.
- Two whistles : Indicate LI-BRE. Free rope to reach the base of a rappel.
- Three whistles : Indicate DES-CEN-DER. Necessary to rope in a releasable abseil because not reach the base, or the member who is falling has been blocked.


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