They haven't yet unless they've figured out how to scrub logs as well. My strategy with the kids is for them to learn that delaying gratifications can lead to

They haven't yet unless they've figured out how to scrub logs as well. My strategy with the kids is for them to learn that delaying gratifications can lead to greater rewards. If they ask for the locks to removed for the day, it's usually granted. In any case, I would be happy if they figured out how to bypass. (I see them attempting but so far failing.)