'Urwa Al-Bariqi · The Book on Government

The Messenger of Allah (ﷺ) never touched a woman with his hand. He would only take a vow from her and when he had taken the (verbal) vow, he would say: You may go. I have accepted your fealty.

Good is tied to the forelock of the horses. It Was said to him: Messenger of Allah, why is it so? He (the Prophet said): For reward and booty until the Day of Judgment.