Many inventions aren’t given the credit they deserve due to their simplicity. The key ring is a prime example. But let’s face it…whoever it was that was thinking outside the box one day and said “Huh, why don’t we attach all our keys to a metal ring?” was a genius. And then along comes the Keybrid: a key with the ring built into the key! How cool is that? Blank keys can be purchased directly from Keybrid for under $10.