Mark is even better, if that is possible,at training than at treatment. He has helped me turn my little terrier round when I thought that I might have to return her to the rescue centre which would have been very sad since I am at least her sixth owner.
With the help of Mark and a spray collar I now have her listening to me and following me even through distractions and this is after only 2 sessions.
I now have a very good little Agility dog in the making and one who is much happier now that she is being good.