`Sayyiduna Abu Hurairah (may Allah be pleased with him) says: I walked behind the Prophet Muhammad (peace and blessings be upon him) while he had gone out to relieve himself, and it was his habit that he would not look here and there. So I came close to him. The Prophet (peace and blessings be upon him) said: "Find me some stones so that I may purify myself with them." (Or he said some words similar to this.) "And do not bring me any bones or dung." So I brought some stones in the edge of my garment and placed them beside the Prophet (peace and blessings be upon him), and then I moved away from him. When the Prophet (peace and blessings be upon him) had finished relieving himself, he used the stones.