This dvd contains a 15 count lock flow drill which will enable you to flow from one lock to another without interuption, This teaches you how to use your locks in real life situations. The in formation will take you from a precontact scenerio to the exchange range using your Wing Chun, then you will learn to finish all your techniques using either a lock, a choke or a throw, and also learn how to use your locks and choke to throw people. Each technique will then be put in to a Chi Sao application for further refinement. This Dvd is a great instructional tool for beginner through advanced practitioner.