Improved Childproof Door Lever Lock. Prevents Toddlers from Opening Doors | 4 PACKULTIMATE DOOR LEVER LOCK most children can't open! Our lock requires an adult to press buttons on BOTH sides of the lock to open and close. Similar products can be easily defeated by little ones. EASY ONE HAND OPERATION. Got your hands full? Carrying your child in one arm? You can open this lock with just 2 fingers. Simply press the release button on both sides and swing the lever up. Both Men and Women can effortlessly open and close the lock with