The 3 Essential Techniques, Episode 4, Substitution (The Missing Piece of the Puzzle)
directed by Kyle Buchanan, fl. 2016; presented by Kyle Buchanan, fl. 2016; produced by Memorize Academy, in The 3 Essential Techniques, Episode 4 (Toowoomba, Queensland: Memorize Academy, 2017), 11 mins,
Source: www.memorize.academy
Source: www.memorize.academy
Sample