Thanks to a new springy plastic insert for shoes, Japanese people will be spared the embarrassment of letting their foot smells waft through public places. Instead, they will experience the embarrassment of adding a strange breath of mint to every establishment where they are required to de-shoe. At every step, the insert pumps out a small dose of mint essence, replacing—and hopefully not just mixing noxiously with—your natural, potentially horrible foot odor. It's a hell of a trade-off. Would you use it? [Reuters]