Any weight pulling we've done so far has been with a compition style harness. The heaviest thing I've hooked to her was a chain. Idk how much it weighs, but she pulled without much trouble at all for about 3/4 - 1 mile and was only lightly panting when we got home.
"If I am going to get down on my knees and ask a dog to take a killing for me, I want him to be a friend of mine."
APASA: Aint Pit Aint **it Association
To be better educators we must adress both the answer to the question, as well as the ignorance at blame for the question.