I read part of the link Chell posted. Does that really lure in animals? Personally if SHTF and I heard that, I would go the other way.
If you were a carrion eater, there might be a different way to think. (But I would draw my piece and stand fast. Too old to run.)
I think the Aztec used it as psychological tool during Warfare and also sacrifices. Could you imagine being surrounded by like 200 Aztec warriors with their death whistles blowing it just before they come in and put obsidian Blade through your chest that would be pretty intimidating
Could you imagine being surrounded by like 200 Aztec warriors with their death whistles blowing it just before they come in and put obsidian Blade through your chest that would be pretty intimidating That's what they make a Ma Deuce for - though I may have my time line screwed up