An Nasai: Hadith 3095

"We heard that when the Messenger of Allah stoned the Jamrah he stoned it with seven pebbles, saying the Takbir every time he threw a pebble. Then he came in front of it ans stood facing the Qiblah, raising his hands and supplicating fro a long time. Then he came to the second Jamrah and stoned it stoned it with seven pebbles, saying the Takbir every time he threw a pebble. Then he moved to the left and stood facing the Qiblah, raising his hands and supplicating for a long time. Then he came to the Jamrat that is at al 'Aqabah and stoned ti with seven pebbles, but he did not stand there." Az-Zuhri said: "I heard Salim narrated this from his father, from the Prophetk and Ibn'Umar used to do that."