A harness system for interconnecting canine and human members comprising a human harness having interconnected webbing and belt members for embracing the body of a human being, a canine harness having interconnected webbing members adapted to embrace and support the body of a dog and releasable buckles, connectors and straps for interconnecting the human harness and the canine harness in a manner that juxtaposes the dog against the back of the human being for rappelling activity.