A dye factory in Ichijoji, Sakyo Ward, Kyoto City, is working on commercializing shirts, parasols, and other items that take advantage of the optical illusion, in which patterns appear to move due to optical illusions. Using a hand-printing (silk-screening) technique in which colored paste is placed on a mold and rubbed with a spatula, it is meticulously dyed to reproduce a mysterious optical illusion effect. As mechanization progresses in the industry, he aims to use optical illusions as a weapon to disseminate advanced techniques.