Hadith 6:42
Ibn ’Abbas (RAA) narrated, ‘l never saw the Prophet (ﷺ) touch (place his hands on) any other part of the Ka'bah except the two corners:
The Black Stone and the Yemeni corner) Related by Muslim.
وَعَنْهُ قَالَ: { لَمْ أَرَ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -يَسْتَلِمُ مِنْ اَلْبَيْتِ غَيْرَ اَلرُّكْنَيْنِ اَلْيَمَانِيَيْنِ } رَوَاهُ مُسْلِمٌ
Original Reference: Bulugh al-Maram 749