About Gatling Crank Whine: When the crank spins, it hums. Mechanics condensed at your fingertips. Our new release, Gatling, packs mechanical rhythm into a ring-shaped EDC. Flick the outer ring, and the inner tracks engage in linkage, producing a deep continuous mechanical hum. It delivers both auditory and tactile feedback while you fidget. Titanium Forging: Machined from solid titanium in one piece, with built-in magnetic tracks. Three finishes available: Matte Black Titanium with subtle understated tones, Storm Titanium with sea-like shifting hues, and Lightning Texture Titanium featuring unique one-of-a-kind lightning etch patterns. An alien embossed logo is carved on the ring body, offering solid, durable metal texture. Multi-Size Fit: Three sizes to fit different finger circumferences: S / M / L. All sizes share the same wall thickness of 8.3mm. Storm Titanium and Lightning Texture Titanium are limited editions. ❣️ Tips: Please be sure to check the size guide below before purchasing, and select the size according to your finger circumference.