“Things with which we physically interact, the kettle for example, have to fit well with our hands,” Fukasawa says.  Photo 2 of 4 in You Can Now Buy a Minimalist Toaster, Rice Cooker, and Kettle from Japanese Retailer Muji

You Can Now Buy a Minimalist Toaster, Rice Cooker, and Kettle from Japanese Retailer Muji

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"Things with which we physically interact, the kettle for example, have to fit well with our hands," Fukasawa says.