When Eddie the Labrador went blind, his brother, Milo, stepped up to the task of guiding Eddie - with no training. Milo leads Eddie on a leash and also wears a bell on his collar so Eddie can easily find him. If Eddie wanders off, Milo will go and look for him and bring him back to their owner. Milo really cares for Eddie, says their owner. They sleep in the same room and spend all their time together. Without Milo, Eddie would be lost.