3 in 1 defense tool

This compact and versatile tool is designed for maximum utility and everyday carry (EDC). Built for durability and discretion, it performs three primary functions: Bottle opener Keychain Knuckle dusters with ergonomic grip and a 23mm finger hole  A quick note: Laws regarding brass knuckles or self-defense tools vary greatly depending on where you live (and where you're traveling). Even if it has a bottle opener, some jurisdictions may still classify it as a prohibited weapon. It's always a good idea to check local regulations!