Rotating Outlet Cover / Child Protector - European Schuko Style

This is an outlet cover that you can use to protect your kids from the dangers of electricity.

Cover consists of two parts. One of them fits inside the other. Combine them and place the cover inside your AC socket. Smaller part (inner) should stay inside and bigger part (outer) should stay on the outside. Then use one of your plugs to rotate (as shown in photo with my hand in it) the inner part thus lock/unlock the socket. That means you don't have to take the cover out to use your outlet, y