This is top notch material and well worth the time to read and view it, Thanks!
I personally have found the using a Signal Mirror properly was one of the 'Harder' Survival Skills to learn. It not only takes time to learn, but it is a skill you need to practice and keep practicing. I practice each time before I demonstrate it to a class.
I also bring out a cheap plastic signal mirror, a compass mirror, my old Boy Scout mirror, and a piece of foil; so that participants can really see the difference a Quality Signal Mirror makes in a Survival Situation.
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Bruce Zawalsky
Chief Instructor
Boreal Wilderness Institute
boreal.net