Chindōgu: un-useless products from Japan

Chindōgu (珍道具) 

Kawakami Kenji’s (川上 賢司, 1946-2019) “Ten Tenets of Chindōgu”: 1) Chindōgu cannot be for real use, 2) Chindōgu must exist, 3) Inherent in every Chindōgu is the spirit of anarchy, 4) Chindōgu are tools for everyday life, 5) Chindōgu are not for sale, 6) Humor must not be the sole reason for creating Chindōgu, 7) Chindōgu are not propaganda, 8) Chindōgu are never taboo, 9) Chindōgu cannot be patented, and 10) Chindōgu are without prejudice. (Gilbert, p 33)