Video What Is a Couple of Forces0Comments by Alex Ivanov In this video Alexey Alexeevich Kadochnikov emphasises the importance of couple of forces. He also explains the principles of “vector of force” and “leverage” that can help you to win your opponent. Facebook Twitter Digg Tumblr couple of forces kadochnikov system personal safety technique systema Alex Ivanov Leave a Reply Cancel ReplyYour email address will not be published. Δ