Mixie wears necklace SHUSHU/TONG. Munchie wears jacket GUESS, hat STEPHEN JONES MILLINERY and headphones BEATS BY DRE In an age of hyper-sharing, Mixie and Munchie are a mystery, a myth, a glimpse and a glitch. But their TikTok account, 2girls1bottl3, is the portal to a fully-formed world. A girl with synthetically blue eyes, which peek out from under a massive fuzzy bear hat, approaches me in a M