Ahdullah b. Umar (reported) that he had not seen Allah's Messenger (way peace he upon him) touching anything in the House, except the two Yamani corners

Salim reported on the authority of his father (Allah he pleased with him) that Allah'& Messenger (tinny peace be upon him) did not touch any of the corners of the House. except that of Black Corner (in which the Black Stone is embedded and that (portion) near it, towards the houses of the tribe of jumuhi

Nafi' reported on the authority of 'Abdullah (Allah be pleased with him) that Allah's Messenger (way peace be upon him) did not touch but the Stone and the Yamani corner