LOL!!! The ball either goes on the bumper or on the hitch receiver, it has a 3/4 or 5/8" diameter bolt on the bottom of it with a lock washer and nut. You CAREFULLY back the truck to the trailer within and inch or so of where you need to be to let the trailer down onto the ball with the supplied trailer "leg". It will take practice, not to mention the backing of the trailer down the boat ramp to put the boat into the water and take it out. .. could you please make a video of your first few times doing these things???