Even though the crime rate in Japan remains shockingly low, a recent spate of prominent cases has made the country anxious for their safety and willing to resort to novel methods of fighting crime, including disguising oneself as a vending machine.

These elaborate defenses are coming at a time when crime rates are actually declining in Japan. But the Japanese, sensitive to the slightest signs of social fraying, say they feel growing anxiety about safety, fanned by sensationalist news media. Instead of pepper spray, though, they are devising a variety of novel solutions, some high-tech, others quirky, but all reflecting a peculiarly Japanese sensibility.

Take the “manhole bag,” a purse that can hide valuables by unfolding to look like a sewer cover. Lay it on the street with your wallet inside, and unwitting thieves are supposed to walk right by. There is also a line of knife-proof high school uniforms made with the same material as Kevlar, and a book with tips on how to dress even the nerdiest children like “pseudohoodlums” to fend off schoolyard bullies.

There are pastel-colored cellphones for children that parents can track, and a chip for backpacks that signals when children enter and leave school.

The devices’ creators admit that some of their ideas may seem far-fetched, especially to crime-hardened Americans. And even some Japanese find some of them a tad naïve, possibly reflecting the nation’s relative lack of experience with actual street crime. Despite media attention on a few sensational cases, the rate of violent crime remains just one-seventh of America’s.

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