Are you aware of the 5 rein aids, how to apply them and how they affect your horse? Here are 5 great articles borrowed from an excellent web site, Glenshee Equestrian Center Blog (http://glenshee.blogspot.com/). In them you'll find great descriptions and diagrams of the 5 rein aids and how subtle differences in their application can weight a particular shoulder or haunch, so helpful when working with a young horse, a stiff horse, or a wiggly one.