Sayyiduna Fadl (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings of Allah be upon him) departed from Muzdalifah, and when he reached the middle of the Valley of Gathering, he said: "O people, it is obligatory upon you to throw small pebbles," and he was indicating with his hand, showing how a person holds a pebble between two fingers and throws it.