How To Detect The Narrow Jumbo KEM Marked Playing Cards

Marked playing cards are quite popular among the poker player around the world as it can mark with the invisible ink, so it is safety enough for they to use it as a cheating device at poker casino games. While is there has method to detect such cheating devices? Of course! But how?
Have you ever heard the infrared contact lenses or UV/IR sunglasses? Both of them can be used to read the marks on the back of marked poker decks. The red narrow wide KEM luminous ink contact lenses marked cards are also not a exception! The infrared contact lenses and UV/IR sunglasses have been special processed by our company, so it can read the invisible ink marks clearly and accurately. By the way, the infrared contact lenses should keep in the clear water. In terms of the method of KEM marked playing cards, you should take carefully as the quality of the playing cards is likely to deteriorate after prolonged exposure to the air. More information just feel free to contact with us!