Above-average carpentry skills are required, but these were the best locks we tested. Adults will have trouble opening this one. The zip lock can easily shift out of alignment, and requires a screwdriver to readjust. This plastic safe, designed to house toxic products inside a cabinet, is difficult to open and close. There's not enough room for an adult's fingers to release the lock easily when this lock is used on knobs.
Plastic latch prevents kids from opening drawers.
Parents press a tab to open, and when the drawer is closed the device re-latches automatically. A two-piece plastic hinge that resists up to 33 pounds of force. This flexible plastic strap sticks onto the dishwasher door. In our tests, it resisted 20 pounds of force. The locking tabs are so small they don't always lock properly, and the adhesive failed to hold the lock in place on a hot oven.