Marking cards with laser ink
Infrared ink, juice ink and ultraviolet ink are the most common use ink in marking marked cards. In order to develop more secret poker cheating device, laser ink is born for this. Laser ink is an more effective ink to mark playing cards perfectly.
Laser ink is though high of a better invisible ink for marking marked cards nowadays. This kind of invisible ink is printed on the marked cards cannot be seen by other contact lenses, like infrared contact lenses or ultraviolet contact lenses or poker analyzer scanner. There is no chromatic aberration between the laser ink marked cards and common playing cards. And the laser ink on marked cards will stay for a longer time than other marked cards. By using the laser ink in poker games, you will play the games in a more concealable way.
Laser ink marked cards enjoys an extremely secret advantage compared with other marked cards.