Joie s Wave Knife easily chops, slices and cuts decorative vegetables and fruits. It s a great addition to kitchen gadgets and chef knives and helps save time during food preparation. Great for quick, healthy snacks, fancy-cut waffle fries or pickle chips, chunks of cheese, fruits and vegetables, garnishes, salad toppings, stir fry recipes, and so much more. Easy to use. Place the blade on top of the item and press downward with a firm pressure. Chop using an up-and-down motion until desired texture is achieved. This hand chopper works well as a mushroom slicer and strawberry slicer, too. The sturdy stainless steel blade makes slicing easy. Compact for easy storage. Simply hand wash in warm, soapy water.