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Personal Protection & Security - How to Detect a Two-Way Mirror
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How to Detect a Two-Way Mirror

Personal Protection & Security

Place your fingernail against the surface of the mirror. If there’s a gap between it and it’s reflection, it’s a regular mirror. If your fingernail directly touches the reflection, it’s a two-way mirror.

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Avatar of Mrs. Robinson
MrsRobinson says:

When we visit toilets, bathrooms, hotel rooms, changing rooms, etc. How many of you know for sure that the seemingly ordinary mirror hanging on the wall is a real mirror, or actually a  2-way  mirror (i.e. they can see you, but you can't see them)? Just conduct this simple test.

 



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