Image that there is a pair of x-ray contact lenses which can see through everything, including the marked cheat playing cards. That is super wonderful things. If you own that poker x-ray contact lenses, you can perform an amazing magic show. A master of the poker game.
But how to make a x-ray contact lenses? Does the infrared ink will influce the function of the contacts? As the x-ray lenses has its own copy right, the owner - Luminous Marked Cards choose to keep the recipe in secrect, the only thing can tell is that use kind of X-ray technical to produce the lenses. The material of the lenses is specail ordered from the proffesional leneses manufacturer.