J 285 - Kinetic Duo RingGeometry in motion. Precise. Versatile. Essential. The Kinetic Duo Ring is the key piece of the new collection a refined jewelry object that captures the essence of FELIX DOLL. Two fundamental shapes, rectangle and circle, merge into a single kinetic structure. Delicate hinges on both sides allow the ring to shift and rotate, enabling three different ways to wear it: as a clear rectangle, as a dialogue between round and linear, or as two parallel