Bulavkus USB Flash Drive
A memory stick in the form of a safety pin:
Bulavkus—a USB flash drive disguised as a classic safety pin—keeps your data safely pinned.
For finding Bulavkus in a flash, simply fasten to any fabric material and spare yourself frustration of digging through pockets.
Wear your data proudly.
You can find out more here, and can see the conceptual development process of the idea here