Sunan An-Nasa'i

It was narrated that 'Ali said:""The Messenger of Allah [SAW] said to me: 'Say: O Allah, guide me and make me steadfast,' and he forbade me to put a ring on this one and this one"" - and Bishr (one of the narrators) pointed to his forefinger and middle finger. And 'Asim said: ""One of the two of them