Original sentence: A Horse brass is a brass plaque used for the decoration of harness gear, especially for shire and parade horses
Edited sentence: A Horse brass is a brass plaque used for the decoration of horse harness gear, especially for shire and parade horses.It often had 3 attachment points on the back, two for attachment to the harness and one for attachment of a tassle or "sallong".One form of horse brass is a phalera, an ornament in the shape of a boss, disk, or crescent, most often used in pairs on a harness