Place the tip of your fingernail against the reflective surface and if there is a GAP between your fingernail and the image of the nail, then it is a GENUINE mirror.
However, if your fingernail DIRECTLY TOUCHES the image of your nail, then BEWARE, IT IS A 2-WAY MIRROR! (There may be someone seeing you from the other side).
So remember, every time you see a mirror, do the "fingernail test." It doesn't cost you anything. It is simple to do.
This is a really good thing to do. reason there is a gap on a real mirror, is because the silver is on the back of the mirror UNDER the glass.
Whereas with a two-way mirror, the silver is on the surface. Keep it in mind!
However, if your fingernail DIRECTLY TOUCHES the image of your nail, then BEWARE, IT IS A 2-WAY MIRROR! (There may be someone seeing you from the other side).
So remember, every time you see a mirror, do the "fingernail test." It doesn't cost you anything. It is simple to do.
This is a really good thing to do. reason there is a gap on a real mirror, is because the silver is on the back of the mirror UNDER the glass.
Whereas with a two-way mirror, the silver is on the surface. Keep it in mind!
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