On henkei hokaku kiku shin kyo mirrors of the millers, the area around the handle of the miller is divided into square portions, and a Chinese character corresponding to each of the 12 signs of the Chinese zodiac was designed there in a pattern that is almost impossible to recognize the character.
銅鏡のうちの変形方格規矩神鏡は、紐の周りを方形に区画した中に十二支の漢字が、文字とは解読できないほど文様化したものになっている。