Though not very practical — or safe for that matter, the Vilcus Plug Dactyloadapter allows anyone to “quickly and easily test the working condition of any wall socket.” You can pick one up for $12.99.

Simply insert the Vilcus into the socket in question… insert two fingers and the use becomes apparent instantly. So bring the Vilcus Plug Dactyloadapter with you anywhere you need a quick pick-me-up. The included adapter allows for easy use on US style wall sockets or use the standard plug when traveling to most European countries

Though not very practical — or safe for that matter, the Vilcus Plug Dactyloadapter allows anyone to “quickly and easily test the working condition of any wall socket.” You can pick one up for $12.99.

Simply insert the Vilcus into the socket in question… insert two fingers and the use becomes apparent instantly. So bring the Vilcus Plug Dactyloadapter with you anywhere you need a quick pick-me-up. The included adapter allows for easy use on US style wall sockets or use the standard plug when traveling to most European countries