Originally Posted By: Eugene
Thanks. I just replied on the other thread, I'm looking for the link to that whistle that replaces the sternum strap on a backpack, going to add to theirs when I get them.

Here's the one I'm familiar with: Nexus 20mm Airlock Whistle

That's a Canadian retailer, though. You could try looking through the list of distributers at Nexus' site for a seller state-side.

Nexus also has a zipper pull whistle that might be worth looking at too.
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Victory awaits him who has everything in order — luck, people call it. Defeat is certain for him who has neglected to take the necessary precautions in time; this is called bad luck. Roald Amundsen