HuffPost may receive a commission from some purchases made via links on this page. Every item is independently curated by the HuffPost Shopping team. Prices and availability are subject to change. “I can’t shut up about this toothbrush,” writes a reviewer named Susanna , who took the words out of my mouth. The toothbrush in question? The Mouthwatchers flossing brush . Reviewers can’t believe they’re waxing eloquent about a manual toothbrush, and I can’t either. But this isn’t your run-of-the-