Learn / Sambo / Straight armbar (juji)
ARM LOCKS · STUDENT 1
Straight armbar (juji)
The cross armbar: hips on the shoulder, arm barred across them — sambo finishes it belly-down too.

OfficialSILA PARTERA — Arm submission (arm bar) the most popular sub in Sambo, judo and BJJ
Canon: Kharlampiev, Borba Sambo (1940) — standing, lying, and the passages between · FIAS sport rules · Rudman's ground-technique books