The Rip Trainer provides a unique mix of rotational resistance, core stability, and coordination training. Its innovative lever bar and resistance cord system creates a variable, asymmetric load, ideal for training balance, explosive power, or adding a high-intensity metabolic ...The Rip Trainer provides a unique mix of rotational resistance, core stability, and coordination training. Its innovative lever bar and resistance cord system creates a variable, asymmetric load, ideal for training balance, explosive power, or adding a high-intensity metabolic challenge to your workouts.