R&B Singer MARIO Barrett is a ZShock fan and customer. Watch his video here where he shows love for ZShock and shows you the sick, tricked out G-Shock by ZShock. MARIO's canary diamond iced out G-Shock was custom made by ZShock, it has almost 8 carats of matched canary diamonds all set in a blacked out metal bezel. Watch for MARIO's new album to drop soon. Another celebrity who loves his toys, chooses a customized G-Shock by ZShock as the watch to keep in his jewlery wardrobe.