Hands-free technology-grips, twists and openers. 1. Effortless, just press the button. 2. No twisting, no pulling, no pain. 3. Powerful enough for new, factory-sealed jars. 4. Opens lids from 30 mm to 88 mm. 5. Small enough for your kitchen drawer. 6. No bottle or jar too tall. Step1 - with the bottle on a flat surface. Step2 - place the jar opener on top of the bottle, and then press the button to make the inner jaws and outer jaws to catch the cover and bottle body. Step3 - when the rotating has completed, press the button immediately to release bottle body. Step4 - make sure that the cover has been separate with the bottle body. Then, lift the jar opener off the bottle trouble shooting.