Determining the period during which Grandmaster Doo Wai produced visual recordings requires accessing archival records, personal accounts from those associated with him, or confirmed publication dates of his training materials. Without explicit dates associated with specific video productions, pinpointing the exact timeline of his video creation remains a challenge.
Establishing a timeline of Grandmaster Doo Wais video productions holds significant value for martial arts historians, students, and practitioners. Such a timeline provides context for understanding the evolution of his teachings, the dissemination of his style, and the preservation of his legacy. Furthermore, knowing when these materials were created can shed light on the historical setting and influences that shaped his approach to martial arts instruction.