[Machine] Alqamah and Al-Aswad said: "We prayed behind Abdullah, and when he went into the bowing position, he placed his hands on his knees and struck our hands." So we did the same.
عَنْ عَلْقَمَةَ وَالْأَسْوَدِ قَالَا «صَلَّيْنَا مَعَ عَبْدِ اللهِ فَلَمَّا رَكَعَ طَبَّقَ كَفَّيْهِ وَوَضَعَهُمَا بَيْنَ رُكْبَتَيْهِ وَضَرَبَ أَيْدِيَنَا» فَفَعَلْنَا ذَلِكَ