Are You Ready to Conquer Any Threat? Sinister Self-Defense: Master the Art of Deadly Self-Defense is not just a book-it's your ultimate weapon for surviving and dominating in life-or-death situations. This isn't for the faint-hearted. It's for those who demand reliable, no-nonsense self-defense techniques and the confidence to stay in control when faced with real-world threats. World-renowned self-defense innovator...