Claudio Calassans is an ADCC Open Weight Champion

  • Simple yet devastating tehcniques that allow the smaller man to dominate the bigger guys
  • Learn how to be strong when your opponents are weak
  • Take advantage of the size difference and use your opponents weight as momentum
  • Claudio's techniques are battle tested and proven
  • This is real and effective Jiu Jitsu


Giant Killing by Claudio Calasans

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  • $77.00
  • Regular price $107.00

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Simple Yet Devastating Techniques Allow A Small Man To Become A Giant Killer And Dominate The Biggest And Baddest Fighters On The Planet In The Worlds Most Prestigious Event.