Scotland's Premier Leg Lock Coach - Now in Canada
Cold, Controlled, Clinical
Finish fights faster with a proven system trusted by competitive Black Belts across the UK
START TRAINING TODAY
Does This Sound Like You?
❌ You get stuck finishing leg locks after the entry.
❌ You're relying on YouTube clips, not systems.
❌ You've tapped too many times in 50/50 and can’t figure it out.
❌ You're coaching without a clean teaching framework.
Picture this after 8 weeks…
✅ You're finishing cleanly from K Guard, Saddle and Top.
✅ You no longer second guess your leg lock defense.
✅ Coaching? You coach your team through clean leg lock sequences.
Jack's system doesn't guess - it delivers.
Real Grapplers, Real Results
“I’ve been training with Jack Brown for over four years. He completely changed how I think about Jiu Jitsu. Jack is a leg lock specialist, but he’s got a full game. One of the best black belts to come out of Scotland.”
- Chris 'The Problem' Duncan, UFC lightweight powerhouse
“Jack’s got a sharp eye for detail, breaks things down clearly, and actually knows how to coach — not just perform. My understanding of leg lock entries, control, and finishes has gone up massively since training with him.”
- Mark MacQueen. ADCC European Trials Winner. 2 x IBJJF European Champion.
“Jack’s a fantastic coach whose expertise in footlocking helped to completely change my game. He also has a great teaching style which is detailed, but easy to understand. I have shamelessly stolen several of his teaching techniques.”
- James Coggins, British, European & Pan American Champion
Why the System Works
✅ Developed over years of competitive refinement
✅ Built to make complex leg entanglements coachable
✅ Designed for both athletes and instructors
✅ Now online for the first time — no fluff, just what works
✅ Refined for those who compete and those who teach
What You'll Learn...
👇 Jack’s 8-week system gives you a complete roadmap for control, pressure, and clean finishes:
- Guard Play - Setting up for the entry.
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Straight Footlock – Control the leg. Secure the tap.
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Outside Ashi & Reap – Create traps. Reap hard. Stay on top.
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Saddle – Inside position with full pressure.
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K Guard – Creative entries that lead to clean finishes.
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50/50 / Backside – Never panic in 50/50 again.
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Defense – Simple direct counters to common problems.
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Top Attacks – Win from the top position.
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Advanced Concepts – Berimbolo stops & false reaps made easy.
Each Module builds on the last. Train with structure. Finish with Confidence
Coaching? Jack's got you covered!
👇 Add Jack's Leg Lock System's coaching pack to bring real structure to your lessons!
- Coaching Cues - Jack's personal thoughts, philosophies and cues for coaching each part of the system.
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Lesson Plans and Coaching Guidance – Downloadable PDFs to help you plan and track sessions with confidence.
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Task Based Games Video – Designed to accelerate your student's confidence and progression.
If you coach, this is your shortcut to structured, high-level leg lock classes - add the Coaching Pack now.
Proven Under Pressure - Scotland's Best
Competitor. Coach. Scotland's most respected leg locker. Here's who Jack brown really is.
Jack Brown isn’t loud, and he isn’t hyped—but those who’ve rolled with him know: he’s a problem. A black belt under the meticulous Marcos Nardini, Jack has spent years building a reputation on the mats as a quiet technician with a brutal leg lock game and a finish-first mindset.
Born and raised in Scotland, Jack honed his skills through relentless study and live-fire competition. He’s submitted some of the UK’s best under the bright lights of ADCC Scotland, Grapplefest and Evolution of Combat, and his system is built for pressure.
His methodical, ice-cold style has become a hallmark of his game—setting traps, locking control, and finishing with precision under pressure.
Jack has coached all through Europe and Asia and is one of Scramble BJJ's Elite sponsored athletes.
This is the first time Jack’s full leg lock system has been made available outside the gym. Whether you’re coaching, competing, or just levelling up your no-gi game, this course delivers the tools, the timing, and the technique to dominate the lower body battle.
Train with intent. Attack with precision. Win with confidence.
What Makes This Different
This isn’t just another YouTube-style highlights course. Jack’s system is different — here’s why:
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It’s a full positional system — not just entries or flash finishes.
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Includes defence & counters — not just attacks.
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Built by a competitor, not a content creator — tested under pressure.
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Coaching pack available — structure your sessions like a pro.
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Designed to win in today's toughest competitions — pressure, pacing, and positioning.
This is what serious grapplers and sharp coaches have been waiting for: Simple, clinical and desisgned to be mastered fast!
Train Sharper, Coach Smarter
Get the complete leg lock system and coaching tools — everything you need to train harder and lead stronger, all in one bundle.
14-DAY MONEY-BACK GUARANTEE
If Jack's Leg Lock System doesn't level up your game within 14 days, we'll give you your money back. No questions asked.
Still Got Questions? We've Answered the Big Ones Below.
Do I get lifetime access?
Is this for beginners or advanced grapplers?
Will this help me coach my students?
Is this course suitable for competition grapplers?
Don't Leave Your Leg Lock Game Half Finished.
Power past entry level leg locking.
This course gives you control, defense and finishes - from a Coach who does it for real.