Connect the tow rope to your towable and boat, and the floats across the water's surface to prevent the rope from getting caught under the water during turns. Absorbs shock and reduces rope drag, cover damage, submarine effect, rope spray, and snapbacks. Improves planing, towing, directional control, and visibility. Works great with transom or low tow points.• Keeps tow rope from dragging in the water• Enhances tube's performance on turns and slides• Reduces drag for better gas mileage• Lightning Valve for fast and easy inflation / deflation | Booster Ball