Its called the Ring Clock, and is meant to be a time telling device worn on one of your fingers. It allegedly uses ultra-thin mono-color LEDs and a ultrathin rechargeable lithium polymer battery (Wearable Technology)
I'm sure the airport security folks would have a blast with you, but this is still a great idea. The frustration-free Travel Security Belt is the traveler’s ‘insurance policy’ against a stolen or lost wallet. Fits cash and paper copies of your IDs.
Calling All Worms This surprisingly simple technique will unearth some surprising results! Find an area of loose, slightly moist soil (the dirt under a log or landscape timber works well) and push a to stick two to three inches into the ground.