Curved cards

This technique is used directly in the game. When the cheater needs to sweep several cards, he makes a slight scar at the corners of these cards on the left side or curves the corner of the card inward. From this change, the map acquires a slight tint, if you look at the map, for example, from the side. In addition, such a card is easily determined by touch. Usually 2 map angles, diagonally opposite, slightly bent in one direction, can mean cards of the same suit, for example, if you fold the corners of all cards of the same suit. Any similar deflection can mark all cards of the same value, for example, aces. This technique is widely used in the Picket game, when the cracker notices all the aces and when trying to distribute tries to pass them to himself.