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Implanting a London Oyster card transponder in a ring

Dhani Sutanto removed the transponder from a Transport for London Oyster card (a RFID-based stored value card used to pay for rides on public transit) and implanted it in a ring, making a lovely bit of snitchy jewelry that gets him on the bus.

Oyster Ring (Thanks, Phoebe!)

Gollum, bearer of the ring

Gollum at a wedding [Tour With]