In collaboration with GBDL - This is Key Ring.Get ready to unlock a world of magic with the Key Ring.This version of the effect can be traced back four years ago to chat messages calling for the prop to be delayed because it just wasn't up to snuff.During Zuming's nationwide lecture tour in China, attendees got a sneak peek but then left everyone waiting in limbo.And finally, it's done. Introducing Zuming's masterpiece: the Key Ring.The Key Ring might just redefine the meaning of "thinking ...