If you haven’t seen one of these before, but you own any number of sweaters, you’ll be glad you’re here. Over the natural course of wear, sweaters eventually pill and start to look shabby. Enter the sweater comb. This tool has revived countless sweaters of mine just when I think they are starting to look like they’re reserved exclusively for loungewear, because it gently shaves the little knots that form on the surface of your sweater, especially under the arms. Holding the sweater taut, rake the comb up and down the sweater working methodically until you have a like-new garment in your hands — voilà!