Leg Lock Anthology 50-50 By Lachlan Giles May 2026

While there is no academic "paper" on this topic, is a highly technical, 8-volume instructional series by PhD holder and ADCC medalist Lachlan Giles . It documents the submission system he used to defeat three world-class heavyweights at the 2019 ADCC World Championships. System Core & Strategy

Unlike the Saddle, where an opponent can often "running-man" escape, the 50/50 makes escaping without exposing the heel nearly impossible. Leg Lock Anthology 50-50 by Lachlan Giles

Giles identifies this as the "upgrade" from 50/50 because it provides superior control of the opponent's knee and prevents hand fighting. Key Technical Concepts While there is no academic "paper" on this

The system is praised for its "PhD-level" organization and depth of detail. Leg lock anthology technique list available Giles identifies this as the "upgrade" from 50/50

A major focus is minimizing back exposure and keeping your own feet safe while in deep breaking positions.

Giles’ system shifted the meta from traditional "reaping" positions (like the Saddle) to the .