This Nylon Training Surcingle from Gatsby is a great training aid at a reasonable price. Made of mostly nylon it comes with an adjustable girth and many rings for use as a training aid. The eyelets are reinforced with metal to make it easier to adjust and help prevent fraying. A must have item for a training or lesson barn. Traning surcingles are traditionally used for lunging or long lining young horses or horses that need a refresher course.