Build your own RFID Rings
There are a few trailblazers found on the Internet that have embedded an RFID or NFC tag under their skin to make access control that much easier - or their life riskier... you be the judge.
Not wanting to go down the self-implant route, extraordinary maker and teacher Becky Stern shows us how to make our own RFID rings with small impant cards and making our own jewellery to hold them in. All is revealed through the following interesting video:
To learn more about Becky and her fantastic work - visit her instructables page.
Or if you're the impatient type - PMD Way offers titanium steel NFC rings in various sizes.