Finally, a knife sharpener that lives up to its reputation, some great benefits of the Liana Knife Sharpener. Don't waste money by throwing away your blunt knives! The Liana sharpener can turn the bluntest knives like the new one just with a few strokes! A sharp knife is a safe knife, comfortable grip, non-slip base and easy to sharpen any straight edge kitchen knife. This sharpener does a great job for even the most unskilled cook and one of the best knife sharpeners available.