(44, 45) باب عَقْلِ الأَصَابِعِ
It was narrated from Ibn 'Abbas that the Propher said:
"this and this are the same,": meaning the little finger and the thumb. (AR)
Reference (AR): Sunan an-Nasa'i 4847 (AR)
In-book reference (AR): Book 45, Hadith 142 (AR)
English translation (AR): Vol. 5, Book 45, Hadith 4851 (AR)