Originally Posted By: Hikin_Jim
. . . I've been wearing the same mini Fox 40 on a chain on my neck for at least five years. Still really loud and no problems.

I don't wear it on my key ring though. Things on my key ring get too beat up. Screwed up a good mini squeeze light that way.

HJ
I have a steel whistle on my key ring because it is bulletproof -- heavy, but close to indestructible. The louder, bulkier but not quite indestructible (polycarbonate/co-molded elastomer) Fox 40 Sharx stays in the back-pack.
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Better is the Enemy of Good Enough.
Okay, what’s your point??