Skip remembering annoying passwords on your iPhone and instead use Michael Knuepel’s digital signet rings to unlock your iPhone! Michael Knuepel’s digital signet rings unlock iPhone 4, iPhone 3GS, 3G like a key. Hit the video after the break.
This special ring, consists of three movable parts with a central part fixed which can bedetected by multi-touch . As shown in the Video, just put the ring on display in a given position (which is user selectable) , turn and you’re done.