Roll on roll off classes enable your dog to train with a variety of dogs over the course of their 6 weeks, it also enables you to see trainers who are at a different stage of training to yourself, this can help you to understand that in dog training we have to go at each different dogs speed and that there is as much training of the owner as that of the dog. Mechanical skills are not easy for you to apprecaite and pick up until you begin.