Great hunt @jjal!
I really like this gadget, I could see this being used in many ways, the best example I could see it fit is if you have old parents and they might have a problem or need assistance, they could use this to signal it.
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When people are in danger, there is a part where it is hard to express it. This product may be useful in that situation.
That's something I didn't think of.
I remember my grandfather.
Thank you very much.
:-)