Testpilot Tow BoosterBooster Ball is designed to make your towable tubing experience even easier. Modeled after an inflatable buoy, this ball has a tow rope connected to both ends. This design helps keep the rope elevated, which boosts visibility. Why else should you love this towable tube accessory? It increases tube performance, too: the ball acts like a shock absorber that minimizes drag and enhances your boats fuel economy. Plus, it reduces rope spray for a more