It has been narrated on the authority of Ibn 'Umar (RA) that the Messenger of Allah (ﷺ) said: There will be great benefit in the forelock of the horses until the Day of Judgment.
It has been narrated on the authority of Jarir bin'Abdullah who said: I saw that the Messenger of Allah (ﷺ) was twisting the forelock of a horse with his fingers and he was saying: (A great) benefit. i. e. reward (for rearing them for Jihad) and spoils of war, has been tied to the forelocks of horses until the Day of Judgment.
The same tradition has been narrated on the authority of Urwat al-Bariqi who said that the Prophet (ﷺ) said: Great good is attached to the forelock of the horses until the Day of Judgment.
'Urwat al-Bariqi reported Allah's Messenger (ﷺ) having said this: Good is tied to the forelock of the horses. It Was said to him: Messenger of Allah, why is it so? He (the Holy Prophet (ﷺ) said): For reward and booty until the Day of Judgment.
It has been narrated on the authority of Anas bin Malik (RA) that the Messenger of Allah (ﷺ) said: There is a blessing in the forelocks of the war horses.