How to mark cards with an invisible luminous pen

If you are familiar with marked deck playing cards, you must know their magic trick influence at poker games. Do you have an interest in marking paying cards by yourself?
Our trick to do with marked cards is the invisible luminous pen. This invisible ink pen filled with luminous ink is the best way to mark cards. This is a very good chance to write invisible ink marks you need easily. It is wonderful method for marking cards with invisible infrared ink. How to mark cards with an invisible luminous pen? It needs zero technology, just write the markings marked cards you need.
We also have marked playing cards for sale, as well as infrared contact lenses for sale.