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X ray glasses real

X-ray glasses can see through cards poker as well as marked playing cards no matter what kind of materials.
How does x ray sunglasses really work? The theory of X ray is simple. Vacuum tube can be emitted through the object of radiation, the electromagnetic spectrum of energy than the visible light, the wavelength is shorter, the frequency is higher, so that we can use x ray glasses to see through normal playing cards or infrared ink marked cards. Without tools, we cannot see nothing backside playing cards with naked eyes.
GS marked cards factory sale marked playing cards with glasses and x ray sunglasses to professional poker players or magicians.