Narrated Abdullah ibn az-Zubayr: The Prophet (ﷺ) used to point with his finger (at the end of the tashahhud) and he would not move it. Ibn Juraij said: "And 'Amr bin Dinar added: 'He (Ziyad) said: "'Amir informed me from his father that he saw the Prophet (ﷺ) supplicating like that. And the Prophet (ﷺ) would brace himself with his left hand on his left knee

English translation · Sunan Abu Dawud