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  08:19

  Submissions From the Back | Part 1

  Submissions From the Back | Part 1

  Atos black belt Rafael Silveira teaches Submissions From the Back during the fundamental class on 09/25/2025.

  Part 2- https://live.atosbjjondemand.com/videos/submissions-from-the-back-part-2

  Rafael Silveira received his black belt after winning the 2023 IBJJF World Championship as a brown belt...

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  09:28

  Rolling Back Defense

  Rolling Back Defense

  Atos HQ black belt Rolando Samson teaches Rolling Back Defense during the fundamental class on 09/23/2025.

  Rolando Samson received his black belt from Andre Galvao in June 2017. He is 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all during his colo...

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  08:10

  Back Take Defense | Part 1

  Back Take Defense | Part 1

  Atos black belt Rafael Silveira teaches Back Take Defense during the fundamental class on 09/22/2025.

  Part 2- https://live.atosbjjondemand.com/videos/back-take-defense-part-2

  Rafael Silveira received his black belt after winning the 2023 IBJJF World Championship as a brown belt from Andre Galv...