Ruby Duos by Jake BanfieldAn age old gambling principle built into a modern design. The Ruby Duos are a uniquely edge marked deck that lets you locate any card from a shuffled pack without looking at the faces or even spreading the cards. Think of them as an instant memorized deck. The branding has been carefully crafted: the focal dots serve as subtle misdirection, drawing the eye away from the lined pattern that cleverly encodes the identity of every single card. Printed on