(23) باب الدُّعَاءِ
Narrated Abdullah ibn Abbas:
Ikrimah quoted Ibn Abbas as saying: When asking for something you should raise your hands opposite to your shoulders; when asking for forgiveness you should point with one finger; and when making an earnest supplication you should spread out both your hands.
Reference: Sunan Abi Dawud 1489
In-book reference: Book 8, Hadith 74
English translation: Book 8, Hadith 1484