Technically, this is the end of the system…the last part any practitioner will be taught before it can be said that one has “completed” the system. It teaches the use and retention of the practitioner’s knife, amongst other key ideas. It also contains counters against those who have experience in knife tapping and knife reversals. As such, it is highly regarded among those in Pekiti-Tirsia to be a “closed door” section unless much time has been invested in the system and prudence has been displayed by the student.