Art Lebedev's studio is best known for its flashy glowing Optimus keyboards, but the firm dabbles in other clever designs too. Like merging a USB flash drive with a safety pin creating four gigs of storage you're unlikely to lose.
There's no word on whether or not the Bulavkus flash drive concept will ever actually be available for sale, but Lebedev's studio has certainly put more elaborate creations into production. So there's hope that you might actually be able to get your hands on one someday, and keep your files as secure as a pair of mittens tethered to a child's coat sleeve. More here.