"We used to pray Zuhr with the Messenger of Allah (ﷺ) and I would take a handful of pebbles in my hand to cool them down, then I would pass them from one hand to the other, and when I prostrated I would put them down to lay my forehead on them."
Sunan an-Nasa'i Book 12, Hadith 53
← Previous Hadith "I prayed behind the Messenger of Allah (ﷺ) and he did not say the Qunut, and I prayed behind Abu Bakr and he did not say the Qunut, and I prayed behind Umar and he did not say the Qunut, and I prayed behind Uthman and he did not say the Qunut, and I prayed behind Ali and he did not say the Qunut." Then he said: "O my son, this is an innovation."

Sunan an-Nasa'i Book 12, Hadith 52 Next Hadith → "Imran bin Husain and I prayed behind Ali bin Abi Talib. When he prostrated he said the Takbir, and when he raised his head from prostration he said the takbir, and when he stood up following two rak'ahs he said the takbir, and when he had finished praying, 'Imran took my hand and said: 'This reminded me of- he said a word meaning- the prayer of Muhammad (ﷺ).'"

Sunan an-Nasa'i Book 12, Hadith 54