Ground Zero | Claycomb Academy | Fontana, CA
THE REALITY
This Isn't For Everyone. But If It's For You — You Already Know.
Authentic Shotokan Karate and Kickboxing. Real lineage. Limited enrollment. Fontana's only program built for adults who are done with excuses and done with fake.
THE REALITY
Look Around You.
Every martial arts school in this area is selling you the same thing.
~ Fighter identity. Champion potential. Warrior lifestyle.
For a monthly fee they'll put a black belt on you in two years and call it mastery or say you can be the next ONE in the cage or ring.
You're smarter than that.
You've always known something was off about those places — the aggressive sales pitch, the packed floors, the instructors who can't answer a real question.
That feeling you had walking out of there?
Trust it.
Look Around You.
Every martial arts school in this area is selling you the same thing.
~ Fighter identity. Champion potential. Warrior lifestyle.
For a monthly fee they'll put a black belt on you in two years and call it mastery or say you can be the next ONE in the cage or ring.
You're smarter than that.
You've always known something was off about those places — the aggressive sales pitch, the packed floors, the instructors who can't answer a real question.
That feeling you had walking out of there?
Trust it.
WHO WE ARE
Different. Not Because We Say So.
We've been here since before martial arts was a business model.
Our lineage runs direct — Nakayama to Sasaki to Claycomb. Unbroken. Documented. Real.
We teach authentic Shotokan Karate and Kickboxing to adults who want actual skill — not a performance of it.
Our classes are capped. Our standards aren't.
We don't chase enrollment numbers. We protect the floor.
If you've been waiting for a school that takes this as seriously as you do — you found it.
Different. Not Because We Say So.
We've been here since before martial arts was a business model.
Our lineage runs direct — Nakayama to Sasaki to Claycomb. Unbroken. Documented. Real.
We teach authentic Shotokan Karate and Kickboxing to adults who want actual skill — not a performance of it.
Our classes are capped. Our standards aren't.
We don't chase enrollment numbers. We protect the floor.
If you've been waiting for a school that takes this as seriously as you do — you found it.
7th Dan Chief Instructor
3 Generations On The Floor
25 Students Class Cap — No Exceptions
THE TRUTH THEY WON'T TELL YOU
"Karate Doesn't Work."
The MMA world spent twenty years telling you karate was dead. Then they spent the next ten years quietly stealing from it. Georges St-Pierre. Lyoto Machida. Stephen Thompson. Tenshin Nasukawa.
The most technically gifted, longest-lasting, hardest-to-hit fighters in combat sports history all share one thing --
A karate foundation. Not because karate makes you tough. Because karate makes you untouchable.
Every Muay Thai gym around you will teach you to stand in front of someone and trade punches. They'll condition you to absorb damage and deliver it back. That's one skill.
Karate teaches you something those gyms fundamentally cannot -- How to never be there when the punch arrives. Distance. Timing. Angles. Explosive entry and exit. The ability to control a fight without surviving it on your chin.
These are not traditional arts concepts. These are the exact attributes every serious combat sports coach is now actively trying to develop in their fighters — and largely failing at — because you cannot shortcut twenty years of Shotokan mechanics with a six-week striking course.
"Karate Doesn't Work."
The MMA world spent twenty years telling you karate was dead. Then they spent the next ten years quietly stealing from it. Georges St-Pierre. Lyoto Machida. Stephen Thompson. Tenshin Nasukawa.
The most technically gifted, longest-lasting, hardest-to-hit fighters in combat sports history all share one thing --
A karate foundation. Not because karate makes you tough. Because karate makes you untouchable.
Every Muay Thai gym around you will teach you to stand in front of someone and trade punches. They'll condition you to absorb damage and deliver it back. That's one skill.
Karate teaches you something those gyms fundamentally cannot -- How to never be there when the punch arrives. Distance. Timing. Angles. Explosive entry and exit. The ability to control a fight without surviving it on your chin.
These are not traditional arts concepts. These are the exact attributes every serious combat sports coach is now actively trying to develop in their fighters — and largely failing at — because you cannot shortcut twenty years of Shotokan mechanics with a six-week striking course.
"They'll make you a fighter. We'll make you dangerous."
The gyms around us are selling you a pipe dream dressed up in hand wraps.
We don't sell that dream. We sell something more valuable and considerably more rare — Authentic skill. Real lineage. Permanent capability. Not the ability to fight in a gym with people who signed the same waiver you did.
The kind of capability that lives in your body for the rest of your life — regardless of whether you ever step in a ring. That's what Shotokan karate actually is. That's what this school actually teaches. And that's what none of the schools around here — Muay Thai, MMA or otherwise — can offer you.
Because they don't have the lineage. They don't have the system. And they don't have the proof standing on this floor.
We don't sell that dream. We sell something more valuable and considerably more rare — Authentic skill. Real lineage. Permanent capability. Not the ability to fight in a gym with people who signed the same waiver you did.
The kind of capability that lives in your body for the rest of your life — regardless of whether you ever step in a ring. That's what Shotokan karate actually is. That's what this school actually teaches. And that's what none of the schools around here — Muay Thai, MMA or otherwise — can offer you.
Because they don't have the lineage. They don't have the system. And they don't have the proof standing on this floor.
THE OFFER
Ground Zero
Four months. Two classes a week. The foundation everything else is built on.
Ground Zero
Four months. Two classes a week. The foundation everything else is built on.
$159 / month 4-month commitment · Limited enrollment · 2 classes per week
What You Get
— Two classes per week — Shotokan, Kickboxing or both — your choice — Training alongside serious adult practitioners — no beginner-only floor — Full access to our online training academy — Instruction from a lineage-rooted teaching family — A defined path to full membership at the 4-month mark
— Two classes per week — Shotokan, Kickboxing or both — your choice — Training alongside serious adult practitioners — no beginner-only floor — Full access to our online training academy — Instruction from a lineage-rooted teaching family — A defined path to full membership at the 4-month mark
What This Requires
— A 4-month commitment — no exceptions — Showing up ready to work — Leaving your ego at the door — An application — not everyone is accepted
— A 4-month commitment — no exceptions — Showing up ready to work — Leaving your ego at the door — An application — not everyone is accepted
Ground Zero exists because we believe the right people deserve access to real martial arts at a price point that doesn't require them to choose between their bills and their training. It does not exist for people who want a casual hobby, a participation trophy, or a shortcut to a belt.
Four months. $159 a month. Less than what you spend going out twice. After 4 months — or upon achieving your first rank — you advance to full membership. No upsell. No pressure. Just the next step on the path you started.
Four months. $159 a month. Less than what you spend going out twice. After 4 months — or upon achieving your first rank — you advance to full membership. No upsell. No pressure. Just the next step on the path you started.
THE LINEAGE
The Line Is Unbroken.
This isn't a franchise. It isn't a brand. It isn't a business model built around your monthly payment.
It's a martial art with a documented lineage that runs back to the source.
01 — Soke Masatoshi Nakayama Built the foundation. Chief Instructor of the Japan Karate Association.
02 — Kancho Toshiatsu Sasaki — 8th Dan Founder of JKMO. Carried the art forward. Passed 2023.
03 — Shihan Joseph Claycomb — 7th Dan Technical Director, JKMO USA. Chief Instructor, Claycomb Academy. Fontana, CA.
04 — You When you train here you aren't just learning karate. You're joining something that existed long before you walked in — and will exist long after.
That is what $159 a month buys you.
The Line Is Unbroken.
This isn't a franchise. It isn't a brand. It isn't a business model built around your monthly payment.
It's a martial art with a documented lineage that runs back to the source.
01 — Soke Masatoshi Nakayama Built the foundation. Chief Instructor of the Japan Karate Association.
02 — Kancho Toshiatsu Sasaki — 8th Dan Founder of JKMO. Carried the art forward. Passed 2023.
03 — Shihan Joseph Claycomb — 7th Dan Technical Director, JKMO USA. Chief Instructor, Claycomb Academy. Fontana, CA.
04 — You When you train here you aren't just learning karate. You're joining something that existed long before you walked in — and will exist long after.
That is what $159 a month buys you.
QUALIFICATION
Ground Zero Is For You If --
✓ You're 18–25 and done training at places that don't take you seriously
✓ You want real skill, not a real-looking certificate
✓ You can commit to 4 months without needing to be convinced why that matters
✓ You understand that the best things require patience and consistency
✓ You're ready to be the least experienced person in the room and be okay with that
Ground Zero Is Not For You If --
✕ You need a flexible month-to-month option because commitment is hard
✕ You want to spar on day one
✕ You're shopping around for the best deal
✕ You need constant motivation from your instructor to show up
✕ You "think" a black belt takes two years
Ground Zero Is For You If --
✓ You're 18–25 and done training at places that don't take you seriously
✓ You want real skill, not a real-looking certificate
✓ You can commit to 4 months without needing to be convinced why that matters
✓ You understand that the best things require patience and consistency
✓ You're ready to be the least experienced person in the room and be okay with that
Ground Zero Is Not For You If --
✕ You need a flexible month-to-month option because commitment is hard
✕ You want to spar on day one
✕ You're shopping around for the best deal
✕ You need constant motivation from your instructor to show up
✕ You "think" a black belt takes two years
"This is not the school for everyone. It is absolutely the school for someone who understands the difference."
LIMITED ENROLLMENT!
Apply For Ground Zero
Enrollment is limited. Not everyone who applies is accepted.
Fill out the form below and we will contact you personally within 24 hours.
Apply For Ground Zero
Enrollment is limited. Not everyone who applies is accepted.
Fill out the form below and we will contact you personally within 24 hours.
This is not an enrollment form. It is an application.
We review every submission and will reach out personally to schedule your first visit.
We review every submission and will reach out personally to schedule your first visit.