About the Fission Ring Fission Ring by SHIHEN Studio is a transformable finger ring and spinner built from 90+ parts for insane modularity and tactile control. Key Features Two Modes. One CoreWear it as a spinning ring or snap on the magnetic spinner buttons to switch into full fidget spinner mode in seconds. Buckyball Tuning SystemLoad 0, 2, 3, 4, or 6 buckyballs to create five distinct tactile tracks. From clean glide to punchy segmented clicks. Triple Haptic CoinsThree interchangeable coins with unique feels: Common. Dense. Ultra dense. Swap to change note, damping, and bite. Kinetic Armor PlatesThree plates auto unfold while spinning and retract when stopped in both ring and spinner modes. Visual drama with functional grip. Precision BuildComplex structure with 90+ components for tight tolerances and repeatable feedback. Glow ReadyInternal bays fit six 1.5 x 6 mm tritium tubes for night presence. In the Box Magnetic spinning buttons Three haptic coins: Common, Dense, Ultra dense Buckyballs set