Atos black belt Rafael Silveira teaches Arm Bar From Back Take With Modified Grip during the fundamental class on 09/24/2025.

Part 1- https://live.atosbjjondemand.com/videos/arm-bar-from-back-take-with-modified-grip-part-1

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

Instagram: @rafaeltsilveira