describe old salamano and his dog?

On his way home from work, Meursault runs into his neighbor Salamano and his dog. The two have been inseparable for eight years and not only look alike, but hate each other. They are both covered by scabs. Meursault recounts their daily routine of walking and Salamano's beating of the dog. Meursault is non-judgmental about the pair whereas Céleste thinks the dog's treatment in pitiful.