Marked decks are a controversial topic in the world of playing cards marked decks. These decks are specially designed to have markings on the back of the cards that are invisible to the naked eye sunglass cheater glasses, but can be easily read by someone who knows what to look for. Some people use marked decks for magic tricks or card games, while others use them for cheating. In this article, we will explore the world of marked decks from the perspective of a user. What is a Marked Deck? A marked deck is a deck of playing cards that has been modified with subtle markings on the back of each card. These markings are typically invisible to the naked eye, but can be easily read with the use of special glasses or contact lenses. Marked decks can be used for a variety of purposes, including magic tricks, card games, and cheating in gambling. Why Use a Marked Deck? The most common reason for using a marked deck is for magic tricks. Magicians use marked decks to perform sleight of hand tricks that require them to know the identity of certain cards. Marked decks are also used in card games where players need to know the identity of certain cards in order to gain an advantage. Unfortunately, some people also use marked decks for cheating. Cheaters use marked decks to gain an unfair advantage in card games and gambling. They can use the markings to identify specific cards that they need to win a game, or to avoid cards that could lead to their defeat. Are Marked Decks Legal? The legality of marked decks varies depending on the intended use. In general, using a marked deck for magic tricks or as a novelty item is legal. However, using a marked deck for cheating in gambling is illegal and can result in serious consequences. In some cases, possession of a marked deck may also be illegal. For example, in Las Vegas, it is illegal to possess any device or instrument that is designed to be used to cheat at gambling. This includes marked decks of cards. How to Spot a Marked Deck? If you suspect that someone is using a marked deck, there are a few things to look for. First, pay attention to how the cards are being shuffled. If the dealer or player is shuffling the cards in a way that allows them to see the markings on the back of the cards, this is a red flag. You can also look for signs of wear on the back of the cards. If the markings are visible because the back of the card has been worn down or damaged, this is another indication that the deck may be marked. Finally, if you are playing a game with someone and they seem to know exactly which cards are in the deck, this could be a sign that they are using a marked deck. In conclusion, marked decks are a controversial topic in the world of playing cards. While they can be used for legitimate purposes, such as magic tricks and card games, they are often used for cheating in gambling. As a user, it is important to be aware of the potential risks associated with using a marked deck and to always play fair.