ProtectO - simple way to secure your power socket type F

Hi there!
Do you have small children, who are always searching for something interesting in the house?
They always seem to find very dangerous things to play with.
One of the common game is : How to put something into the power socket?

To prevent baby's exploring the world of electricity I update my first version for protection. I named it ProtectO. :)
It is meant to be inside the socket and when you need to plug some device, you just spin it with the plug in clock-wise direction and