(79) باب مَوْضِعِ الْخَاتَمِ
It was narrated that 'Ali said:
"The Messenger of Allah [SAW] forbade me to wear (a ring) on this finger," and it was on the middle finger and the one next to it.
Reference: Sunan an-Nasa'i 5287
In-book reference: Book 48, Hadith 248
English translation: Vol. 6, Book 48, Hadith 5289