(16) باب فِي لُبْسِ الْخَاتَمِ فِي الْخِنْصَرِ مِنَ الْيَدِ .
Anas reported that the ring of Allah's Apostle (ﷺ) was on this, and he pointed toward the little finger of his left hand.
Reference: Sahih Muslim 2095
In-book reference: Book 37, Hadith 104
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5225