The easy to turn non-slip turning knob makes it so anyone can use this manual can opener. You no longer have to worry about cutting yourself when opening cans with the smooth edge cutting safety mechanism. This new can opener was produced so it creates blunt, smooth edges, making the can harmless to the touch. The ergonomic non-slip design allows for smooth cutting when opening cans without the hand slipping, it is great for seniors (see reviews). Made with high end food grade stainless steel material which won’t rust. The blade never touches the food and leaves no sharp edges. Can be washed in the sink in 5 seconds or put directly into the dishwasher. This professional can opener never touches your food. This easy to use can opener with a big easy to turn turning knob is perfect for just about anyone to handle. Since it’s ergonomically made for anyone to open don’t hesitate to get it for your grandma or any relative no matter if they have arthritis or wrist problems.