An important piece of any Bug out Kit is a way to make a whole lot of noise. You need some way to create some attention-getting noise that can really travel the distance. This tool is a way to get the attention of a search party if you are lost or injured, as well as a way of helping find somebody who is lost. But all whistles are not created equal. Some are bulky, some are tiny, some have Pea’s, some don’t. How do you know which you should get? Well, I was recently pointed to a site via edcforums to an excellent PSK whistle review (PSK). Go check it out before you buy your whistle, it’ll help in selecting.
This review covers that which is most important about whistles, how loud they are. He actually gives the average decibel rating for each one when blown by an adult, as well as by a child. Very interesting data, as well as some simple firsthand experience with those he found worthwhile.
And if you feel like buying one: