Skunk-Like Bicycle Lock Sprays Thieves with Vomit-Inducing Gas

The aptly-named SkunkLock is an ingenious bicycle lock that blasts would-be thieves with a disgusting cocktails of chemicals that most of the time causes them to vomit uncontrollably.

When San Francisco-based Daniel Idzkowski learned that over 1.5 million bikes are being stolen across the United States, every year, he decided it was up to him to come up with a more efficient means of theft prevention. After six months of work, he came up with the SkunkLock, a hollow steel U-lock system which houses presurized noxious chemical deterrent that’s even detectable through some of the most advanced gas masks. The proprietary formula, known as D_1, was developed by Idzkowski and his partner Yves Perrenoud, and is perfectly legal.

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