To ensure that the opener firmly grips the cap, adjust the rubber gear to the size of the cap and push the metal piece forward with one more slot. Please check the step-by-step diagram or use the video before use.
Correctly use this stainless steel grip jar opener easily opens to any lid within 3.5 in, for children, the elderly, arthritis, weak hand, samples, amputees, those with carpal tunnel, and handicapped individuals.