Narrated Abu Ma`mar: We said to Khabbab "Did Allah's Messenger (ﷺ) used to recite in Zuhr and `Asr prayers?" He replied in the affirmative. We said, "How did you come to know about it?" He said, "By the movement of his beard."

لا تلتقي أسانيد هذه الأحاديث عند راوٍ واحد، وهي على ٣٢ رواة في أعلاها.