The air hammer will break up the rust, spread the penetrant and free up the ball mount. Rap the sides, top and bottom of the hitch receiver for 15 seconds with blows from the air hammer. Spray again.

Is it possible for an athlete to unthink his or her way out of a hitch? The most famous example in American sports is Steve Sax, a second baseman who woke up one day and couldn't throw the ball to ...