It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "My Ummah should learn the rites of Hajj and pelt the Shaytan with pebbles made of clay."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14219