TikTok has introduced me to so many things, from some of the best blushes I've ever tried to makeup trends like "cloud skin" that have me rethinking everything I know about foundation formulas. One of the more recent discoveries I've made (if I can even call it that) is a lymphatic drainage tool that I've seen on almost every health and wellness account.  Honestly, the first time I saw it, I didn't know what it was. Because of the odd shape, I had to ask my sister, a Gen Z social media savant who knows...