This Dvd goes deeper into locking, included are the pressure points and nerve stretches to make the locks even more painful. How to counter the locks, striking while locking your opponent up, the do’s and don’ts’ of locking, using the golgis tendons to release joints, winding up your opponent, body core locking, and a teaching session at the end of the Dvd of a student applying the principles in a teaching format and much , much more. Much will be learned from this Dvd over an hour long. Made with chapters and close up filming to see the techniques clearly.