1. Open jars of various sizes - try anything small like a bottle of water, nail polish or a large jar of pickles, peanuts, canned fruit, jam, molasses, marshmallow cream or black cherries 2. You never know where it is - this can opener hides neatly under cupboards, cupboards, counters or shelves without taking up valuable storage space 3. Effortless - You'll be surprised how easy it is. Just drop any size jar or other lid into the V-shaped design, twist it and voila! 4. SIMPLE INSTALLATION AND OPERATION - Easy installation with pre-applied peel and stick adhesive and 2 screws included. Ideal for children, the elderly, arthritis sufferers, carpal tunnel sufferers, people who work in the kitchen, those with limited hand movement or amputees