Kulayb bin Shahab كليب بن شهاب · The Book of Forgetfulness (In Prayer)

Abdullah bin Buhainah told him that the Messenger of Allah (ﷺ) stood up following two rak'ahs of Zuhr and did not sit down (for tashahhud). When he finished the prayer he prostrated twice, saying Takbir for each prostration, while he was sitting, before he said the taslim, and the people prostrated with him. (He did that) in place of the sitting that he had forgotten.

"At the end of the last two rak'ahs of the prayer, the Prophet (ﷺ) would move his left foot forward and sit on his left buttock, Mutawarrikan, then he would say the taslim.

"I saw the Messenger of Allah (ﷺ) raise his hands when he started to pray, and when he bowed, and when he raised his head from bowing. And when he sat, he would ay his left foot on the ground and keep his right foot upright, and he placed his left hand on his left thigh, and his right hand on his right thigh, making a circle with his middle finger and thumb, and pointing."

"I prayed beside Ibn Umar and I turned over the pebbles. Ibn Umar said to me: 'Do not turn over the pebbles, for turning over the pebbles comes from Shaitan. Do what I saw the Messenger of Allah (ﷺ) do.' I said: 'What did you see the Messenger of Allah (ﷺ) do?' He said; 'This'- and he held his right foot upright and lay his left foot on the ground, and placed his right hand on his right thigh and…