He went to a Petco himself as a paying member, has been a visitor to several of the big pet stores to see what the classes were like. Try to find one with an older trainer who has had years of experience dealing with all kinds of dogs in groups. If it gets ugly and a big dog attacks a tiny dog or you, you need an experienced dog handler who can keep all of the dogs and humans safe quickly.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |