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OSS: The Jiu-Jitsu Salute

OSS: The Jiu-Jitsu Salute

Why do we say “OSS” in class at Rothwell MMA? Click the link below to learn about the history of “oss.” Come to your FREE BEGINNER BJJ trial Tuesdays & Thursdays at 7:30 with UFC fighter Ben Rothwell, REGISTER HERE.

The Meaning Of “OSS” Or “OSU”