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Signaling in a survival situation is very important. You need to have a way to let people know you are safe. A whistle, while it often seems like a throw away item, is a very important part of any survival situation. Now, having the right whistle can make all the difference. The reason metal is better than plastic is simple. Plastic breaks. Good luck ruining a small brass whistle. You could drive over this thing and it would still work.
There is also something to be said about creating your own pieces of your survival kit. When you add that personal touch it always means more to you. You care for a it a little more. There are also opportunities for entrepreneurship and creating more types of survival gear. That is an idea that can virtually reshape your future. Its a very interesting idea, to say the least.
Originally posted on SHTF Preparedness