C13 MicroKnife
Carbon13’s nifty keychain tool might just be the smallest knife you can buy. The tiny knife features a double-edged knife that remains safely under a rubber guard until you need it. Available in carbon fiber, titanium, brass, or a mix-and-match combo pack.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
