It was narrated from Abu Sae e d Al-Khudri that the Messenger of Allah P.B.U.H forbade Muldmasah and Mundbadhah. (Sahih)
Sahl added: "Sufy an said: ,Mulamasah means when a man touches something wi th his hand without seeing it, and Mundbadhah means when he says: "Toss me what you have, and I will toss you what I have."