حَدَّثَنَا أَبُو بَکْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِدْرِيسَ عَنْ عَاصِمٍ عَنْ أَبِي بُرْدَةَ عَنْ عَلِيٍّ قَالَ نَهَانِي رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ أَنْ أَتَخَتَّمَ فِي هَذِهِ وَفِي هَذِهِ يَعْنِي الْخِنْصَرَ وَالْإِبْهَامَ
ابن ماجہ · Hadith 3648
It was narrated that 'Ali said: "The Messenger of Allah P.B.U.H forbade me to wear a ring on this and on this," meaning the little finger and the thumb. (Sahih)
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020