NFC Ring by John McLear — Kickstarter

NFC Ring Kickstarter – Fist Bumping Its Way to Geek Fall Fashion

Q&A with John Mclear

Poll: Smart Ring Core Features : r/SmartRings

NFC Ring Kickstarter – Fist Bumping Its Way to Geek Fall Fashion

NFC Ring by John McLear — Kickstarter

NFC Ring Hackaday

Crowdfunding an NFC Adventure

NFC Ring Lock Box : 6 Steps (with Pictures) - Instructables

RelaxBox, Atmel

NFC built-in ring NFC Ring which can transmit and receive various data just by holding it over - GIGAZINE

NFC Ring by John McLear — Kickstarter