If you ever find yourself in an emergency situation, you can just call 911 for help, right? Well, usually, but not always. In some situations, you may be unable to communicate verbally. God forbid, but what if you are kidnapped and forcefully gagged by an assailant? Maybe an intruder is in your home and you are hiding in a closet -- calling 911 might alert the bad person of your location. Hell, maybe you have a brain incident, such as a stroke, that causes you to lose verbal skills. As you can see, calling for help isn't always so easy.…
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