Sunan an-Nasa'i 1268

Wa'il bin Hujr said:"I am going to watch the Messenger of Allah (ﷺ) and see how he prays. So, I watched him." And he described (his prayer): "Then he sat and lay his left foot on the ground, and placed his left hand on his left thigh and knee. He put his right elbow on his right thigh, then he made a circle with two fingers of his (right) hand, then he raised his finger and I saw him moving it, supplicating with it