The Gravity X Karambit Fidget Knife is a distinctive sensory device that translates the fluid, rotational motion of a traditional Karambit into a satisfying, purely gravity-driven fidget experience. This fully 3D-printed design features a blunt, curved blade and a signature finger ring, all connected by a precisely weighted, low-friction pivot point engineered to maximize momentum and rotational inertia. Unlike spring-loaded or button-actuated fidgets, the Karambit's function relies solely on skillful hand movements—users deploy and retract the "blade" through smooth, arcing wrist flips and finger manipulations, providing an immersive, quiet, and deeply engaging kinetic feedback loop that is both meditative and highly addictive for channeling focus and refining dexterity.