How to Send a Rescue Signal by Semaphore
( 01:37 )
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VIDEO DESCRIPTION:

Use these instructions to use semaphore to send a rescue signal.

ADD TO MY LIST
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ADD TO MY LIST
REMOVE FROM MY LIST
Add to My List Remove from My List

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Did you know?
By signing up, you can access your watch list and history across your other devices including mobile, tablet and Connected TV.
You can

It only takes a few seconds!