HAVE TV-WILL GALLOP

While the scene is an important one in the story, the four girls, Darlene Tompkins, Pamela Alert, Christian Kay and Jenny Maxwell, were not expected to be expert equestriennes, and this was just as well because when Wallis asked them if they had ever ridden a horse before, Miss Kay replied, sweetly: "No, but I've watched enough Westerns to know how it is done."
Elvis Monthly July 1961
http://www.youtube.com/watch?v=ip2dbVJnAk0