RG1911TI ZIGGY CHEN x RIGARDS MATTE BRONZE / GRAY CLIP / DARK GRAYDESCRIPTION RIGARDS 2022 Spring Summer Collection. ZIGGY CHEN collaboration product number "Mad Scientist" is one of the most impressive items in the metal frame series of RIGARDS. This is a 2 way clip on frame with a classical round titan frame that reminds you of antique glasses and a modern image of a layered magnet clip on design. The frame design that gives the wearer a mysterious look by attaching the clip is now one of the main images of