In the combined previous and current lesson, this will illustrate a very important segment in the development of Wing Chun skills. The transfer between Tan Sao and Wu Sao is one of the most important elements in the following drill. Thus, staying in contact with a dummy arm during transition phase is essential and very important to practice in separate drills. Once, one becomes very skillful in their execution, the combination of these two ways should be put into one drill. Lastly, practicing this way will help develop very unpredictable and versatile reactions in once defense options.