" الْخَيْلُ مَعْقُودٌ فِي نَوَاصِيهَا الْخَيْرُ إِلَى يَوْمِ الْقِيَامَةِ الأَجْرُ وَالْغَنِيمَةُ "
It was narrated that Jarir said: "I saw the Messenger of Allah twisting the forelock of a horse with his two fingers, and saying: 'Goodness is tied to the forelocks of horses until the Day of Resurrection: Reward and spoils of war.'"