Ubayd bin Umayr narrated: I said to Ibn Umar (may Allah be pleased with them both): I see you pushing through the crowd at these two corners. He said: Yes, I do so, because I heard the Messenger of Allah (peace and blessings be upon him) say: "Touching these two sheds sins away."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13382