(1) باب إِبْطَالِ بَيْعِ الْمُلاَمَسَةِ وَالْمُنَابَذَةِ
Abu Huraira (Allah be pleased with him) reported that Allah's Messenger (ﷺ) forbade (two types of transactions) Mulamasa and Munabadha (ID)
Reference (ID): Sahih Muslim 1511 a (ID)
In-book reference (ID): Book 21, Hadith 1 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 10, Hadith 3608 (ID)