This $4,000 robot is an AI-powered jiu-jitsu trainer, and it’s taking practice sessions to a whole new level. Equipped with neck sensors, the robot lights up when you execute a chokehold that would typically cause someone to lose consciousness. Even more impressively, its joints can simulate being hyperextended during arm or leg locks, allowing you to practice submissions without needing a live training partner.

source: @rollbotbjj on IG

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