1. Gradient coating design, showing different shades of color under the illumination of different angles of light, no matter how you look at it, you can't see enough 2. The functional shape can open the beer cover, drink beer outside, and no longer have to bite your teeth awkwardly! 3. INNOVATION: Unique, convenient design that easily clips onto any keychain. Never go without a bottle opener when needed. 4. EASY TO USE/FIT/CARRY - The keychain bottle opener is small and light enough to fit in your hand, pocket, car or even a kitchen drawer. With just a little pressure, you can easily remove the cap from the bottle.