Introducing children and adults from all backgrounds to the hunter jumper sport.Double M Stables grew out of a dream Dave and Debbie Myers had to give their daughter Mandy a safe, fun, and high-quality place to do what shel loves - hunter jumper riding. Today, Double M Stbles is that dream and much more. The Myers opened Double M to the public in 2009, making the rich experience they created for their daughter available to other children and young adults who want to ride. The Myers overriding mission is to introduce children and young adults from all backgrounds to the hunter jumper sport.