“My mare is a small Arab, and even riderless she'll cross-canter a majority of the time.”
“Peering from behind my hands, I watch as the horses fall, or throw their rider, or watch as loose, riderless horses veer across the track.”
“It was followed by a riderless black horse, with a pair of Mr Reagan's favourite boots turned backward in the stirrups, symbolising the death of a military leader.”