Vilcus Dactyloadapter* Circuit Tester

From the website:
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Vilcus dactyloadapter was developed specially for people who enjoy closing electrical circuits with their own fingers.

Many people get a kick out of direct contact with an AC power supply.

To that end, people normally use U-shaped fragments of bare wire, paper clips or even common metal forks.

All these gimmicks are unreliable, short-lived and, most importantly, tend to cause short-circuits or fires.

Vilcus does not itself consume power, so you can leave it plugged till next time.

Avid travelers will appreciate the replaceable plugs [below] — for European and American sockets — that are part of the standard package.

For group sessions, Vilcus users may obtain a Rozetkus power strip [below].
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Inquire within.

* Finger adapter

[via Planète Béranger]