That the Messenger of Allah (ﷺ) forbade earnings of slave-girls.
Sunan Abi Dawud Book 24, Hadith 10
← Previous Hadith That Abu Tibah cupped the Messenger of Allah (ﷺ) and he ordered that a sa' of dates be given to him, also ordering his people to remit some of his dues.

Sunan Abi Dawud Book 24, Hadith 9 Next Hadith → Rafi' ibn Rifa'ah came to a meeting of the Ansar and said: The Prophet of Allah (ﷺ) forbade us (from some things) today, and he mentioned some things. He forbade the earning of a slave-girl except what she earned with her hand. He indicated (some things) with his fingers such as baking, spinning, and ginning.

Sunan Abi Dawud Book 24, Hadith 11