Originally posted by finn's mom
You're right, but, we can't tell from the photograph if that puppy is actually being asked to pull anything...someone else mentioned this already, he may be just being trained to get accustomed to the feel of a harness. Which is perfectly fine. There's no way to really say what is going on in the photograph.
the harness is being attached to the harness...that's enough of a clue for me to think he is being asked to pull the cart

the dog certainly doesnt need to be attached to a cart to be trained to the feel of the harness....that is done by attaching something like a mlik jug for some rocks in it and then slowly working your way up to pulling a cart