Keenbest Sharpening Stone Whetstone | $28 | 42% Off | Amazon
Feed your curiosity about the kitchen by learning how to sharpen knives! This Keenbest whetstone is only $28 right now and makes grinding knives seem shockingly easy. The process requires no oil—just soak the stone in water for 10-15 minutes, and you’re on your way. No worries if you’re a beginner, since this set comes with an angling guide and a leather strap for a perfect finish. A whetstone is a great investment—you’ll save a whole lot of money when you don’t have to replace kitchen knives every couple of years. Grab this for 42% off and learn a cool kitchen skill.