Abu Dawud Book 5, Hadith Number 2097.
Chapter : Not known.
Narated By AbuHurayrah : AbuHind cupped the Prophet (PBUH) in the middle of his head. The Prophet (PBUH) said: Banu Bayadah, marry AbuHind (to your daughter), and ask him to marry (his daughter) to you. He said: The best thing by which you treat yourself is cupping.