(34) باب الاِحْتِبَاءِ بِالْيَدِ وَهُوَ الْقُرْفُصَاءُ
Narrated Ibn `Umar:
I saw Allah's Messenger (ﷺ) in the courtyard of the Ka`ba in the Ihtiba.' posture putting his hand round his legs like this.
Reference: Sahih al-Bukhari 6272
In-book reference: Book 79, Hadith 46
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 74, Hadith 289