We also wanted to make their own judgments. Unfortunately, these parental controls are not recommended because of the mechanism described here already several times does not work reliably. The lock slide often does not return to the original position. In addition, the closure can be opened with a knitting needle or a pen. Even a child can without problems, since the opening of the closure is not even two plug tiller of an electrical appliance are required, since this can also be as simple slide off.