If you’re a magician or poker player, learning how to read secretly marked cards can change the way you play. These cards have invisible markings that can be seen using different systems including contact lenses or scanner cameras. Marked cards are useful in many areas, including magic, poker and gambling. If you can find the right kind of marked cards, you can create effects that will amaze your audience.
There are many ways to mark cards. The most common are tint or juice solutions, and block-out. These methods have the advantage of being relatively discrete and can be done during a game so that other players won’t notice. These marks are small, and can be detected using a simple gamblers’ riffle. These techniques also require a professional tool.
A tint solution can be used to mark cards. It is applied directly on the back of the cards. This method is less discrete than the juice technique, but it can be used in a game with other people and it takes a bit more time to apply. Moreover, this method requires a lot of experimentation to find the right dye that is close in color to the card backs.
The last method, which is also called “cut-out” marking, involves altering the back designs of the cards. This is a labor-intensive, difficult method that requires a lot of skill. In order to do this, the cards must be printed before the marks are added, and it is necessary to use a razor or a similar sharp tool. The marks should also be small to avoid being detected.
Other types of marked poker cards include those that are printed with invisible ink. These can only be detected using special infrared contact lenses or glasses. Another kind of marked cards is barcode scanner marked cards, which have invisible code markings on all four sides and can be read by a poker analyzer smartphone app.
No matter what type of marked card you choose, you must learn to read it correctly before playing the game. With practice, you’ll be able to identify the markings on each card quickly and easily. Once you’ve learned how to read these cards, you can improve your game and become a stronger player than ever before.