All Akatsuki rings symbols space Japanese Kanjis. For 8 members, the kanjis are concerned divinities the Chinese mythology: Seiryu, Byakko, Suzaku, Genbu, Kuchin, Nanju, Hokuto, Santai, and also Gyokuno.
Each member of Akatsuki was assigned to stand on a details finger the the Gedo Statue, i m sorry correlates v the same finger they room wearing their ring.
kakuzu‘s ring is Blue v Japanese Kanji 北(“Hoku”), which means “North”. Kakuzu’s Akatsuki ring should be worn ~ above the left middle finger.