Atos black belt Rafael Silveira teaches Leandro Lo's Drag to North South Choke during the fundamental class on 11/12/2025.

Part 1- https://live.atosbjjondemand.com/videos/leandro-lo-s-drag-to-north-south-choke-part-1
Part 3- https://live.atosbjjondemand.com/videos/leandro-lo-s-drag-to-north-south-choke-part-3

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