For your green buddies.

The system consists of a personal techno-garter -- inspired by the Opus Dei cilice popularized in Dan Brown's Davinci Code -- worn on the thigh, communicating wirelessly to a set of low-power sensors measuring the wearer's personal energy consumption. If the wearer's electricity use exceeds a certain limit, the device plunges stainless-steel thorns into the wearer's thigh, a reminder of their complicity in the planet's demise, and perhaps their own mortality.

Techno-wimps. In the day we made do with self scourging. OTOH, there should be some green jobs manufactured for the manufacture and maintenance of these conspicuous consumption gadgets. Gore needs one, but it should be the necklace version.