The training of sled dogs is not limited to a progressive training in towing a load and running. The puppies must also learn to work together within the pack that constitutes the team. Within the framework of a classic team - like those practiced by Pierre Daniel, a musher in Septmoncel-les-Molunes in Jura - they must, in the long term, be able to run for hours in unison without letting the draft lines of the hitch get tangled.