Locking feature holds can opener in place. Locking Can Opener: Locking feature holds can opener in place, eliminating the need to squeeze handles while turning. A simple press of the button releases the can opener. Contoured turning knob is easy to turn. Sharp, hardened, high carbon stainless steel cutting wheel. Soft, comfortable, Non-slip handles. Can opener locks onto can and stays securely in place. Simply twist knob to remove lid, no squeezing required.