The Battle Rope or Wave Rope allows many intensive exercises involving several muscle groups at the same time. Invented by John Brookfield, the Battle Rope is one of the most popular and interesting accessories that you can have in your training toolbox.A high-resistance wave rope or battle rope allows you to do many intensive exercises involving several muscle groups at the same time. Invented by John Brookfield, the wave rope or battle rope is one of the most popular and interesting accessories that you can have in your training toolbox.