OBrien Shockball Towable Tube Ball Elevate your towing experience with the OBrien Shockball Towable Tube Ball. This ball keeps the tow rope out of the water, reducing drag and increasing fuel economy when towing. The Shockball also reduces the amount of water being splashed onto the towable and the riders. The Shockball comes with 60 of total rope with two 5-foot take off sections to allow the position of the ball to be adjusted to benefit individual needs. The OBrien Shockball is constructed wi