Then Buck had another surprise. Francois put a ha on him. Buck had seen harnesses on horses, and now he was made to work like a horse, pulling Francois on a sle into the forest and returning with wood for the fire. Buck worked with Spitz and Dave. The two other dogs had worked in a harness before, and Buck learnt by watching them. He also learnt to stop and turn when Francois shouted.
Those three are very good dogs," Francois told Perrault That Buck pulls very well, and he's learning quickly