Hadith 8:2355
Abu Bakr narrated to us, he said: Ubaydullah narrated to us, from Uthman ibn al-Aswad, from Mujahid, who said: It was rare that he would leave the Black Stone and the Yemeni Corner without touching them during the odd-numbered [laps] of his circumambulation.
حدثنا أبو بكر قال حدثنا عبيد الله عن عثمان بن الأسود عن مجاهد قال كان قل ما يترك الحجر الاسود والركن اليماني إلا استلمها في الوتر من طوافه