"We prayed with Abdullah bin Mas'ud in his house. He stood between us and we placed our hands on our knees, but he took them off and made us interlace our fingers, and said: "I saw the Messenger of Allah ﷺ do that.'" (Using translation from Nasāʾī 1030)
رَأَيْتُ رَسُولَ اللَّهِ ﷺ يَفْعَلُهُ