I understand a sled dog is trained to pull when he feels the harness, and a pet dog should be trained to not pull when in harness. Its like hunting dogs and lap dogs - which did you want cause you don't get both in one dog. It might not be worth a life time of taking you for a drag whenever you take him out on the leash. shocked
Jim
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.