Might hurt like hell if you touch it while it's plugged in though.

Oh no

10th grade

"Invented"
That will shock or kill anyone who touches it

That's instantly what I thought of when I saw this. I have been electrocuted from accidentally grabbing onto the prongs when unplugging a laptop charger. That was one of the weirdest feelings in my entire life. It made me go like "Hhhhhhhhhhhhg" before falling over, and then wondering what the heck just happened.

I've had it happen once with a vacuum cleaner plug, which is why we now use this

Safety concerns aside, it's not really an invention.