This is a Fox 40 Micro Safety Whistle. They are very
inexpensive and take up just about no room on your
keychain. If the worst happens and you ever need to
be found, an emergency whistle will save your voice
and the whistle's sound will travel further.
"Three loud, short blasts on your whistle, each lasting
approximately three seconds. While you're blowing, count to
three in your head during each blast so it lasts
approximately three seconds."
approximately three seconds. While you're blowing, count to
three in your head during each blast so it lasts
approximately three seconds."
You can buy them in two or three packs online.
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