The packaging for child-proof door locks to put on medicine and cleaning supply cabinets should come with a warning that says: If you are unable to figure out how to operate this lock just hand it to your 18-month-old and she will show you.
The packaging for child-proof door locks to put on medicine and cleaning supply cabinets should come with a warning that says: If you are unable to figure out how to operate this lock just hand it to your 18-month-old and she will show you.