(59) باب مَنْ لَمْ يَسْتَلِمْ إِلاَّ الرُّكْنَيْنِ الْيَمَانِيَيْنِ
Narrated Salim bin `Abdullah that his father said:
"I have not seen the Prophet (ﷺ) touching except the two Yemenite Corners (i.e. the ones facing Yemen)."
Reference: Sahih al-Bukhari 1609
In-book reference: Book 25, Hadith 95
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 678