"The Messenger of Allah forbade two kinds of transactions: Mulamash and Munabddhah "
Sunan an-Nasa'i Book 44, Hadith 63
← Previous Hadith the Messenger of Allah forbade Mulamasah, which means touching a garment without looking at it, and Munabadha, which is where one man sells his garment to another man, by throwing it to him, without him checking it or looking at it.

Sunan an-Nasa'i Book 44, Hadith 62 Next Hadith → "The messenger of Allah forbade two kinds of transactions: Mulamash and Mumabadha."

Sunan an-Nasa'i Book 44, Hadith 64