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The Protalus Affiliate Program

"Knowledge is power." This knowledge about flat ground and its impact on our ability to walk belongs to everyone. This is where we hope you will chime in.

Building an Army to Spread the Knowledge. And Yes, the Army Gets Paid.

Everyone walks on flat ground. Everyone is affected. You have an audience. That is all this takes.

Moses did not sell Egypt. He sold the idea that something better existed — and that the people deserved to have it.

Become an Affiliate

Who your audience is does not matter. Where they walk does.

Nurse or nightclub DJ. Veteran or yoga teacher. Warehouse supervisor or weekend hiker. College athlete or retired teacher. If the people who follow you, listen to you, or trust you walk on flat ground — this knowledge belongs with them. And that means it belongs with you to deliver.

2-minute read below — then deeper background for those who want it

On this page you will find:

  • A: The knowledge of the universal problem affecting most of the world that we have, which we want your help to spread.
  • B: That there is hope to the universal problem and what product that hope is.
  • C: Why we come to you.
  • D: What is in it for you.

If you are still with us after the two-minute read there is more elaborate background information underneath. You do not need the background information — it is there to hopefully inspire you.

As you will see from our website, our mission is to make the knowledge known to the entire world — for them to make their own decision if they want to do something about the quality of life challenge that we all face with flat ground.

Executive Summary

The 2-Minute Read

01 — The Knowledge
Your feet were never designed for flat ground.
The human foot requires an asymmetric surface to function as designed. At its center is the subtalar joint — the steering wheel of the entire lower body. For this joint to engage correctly at landing, the surface beneath the foot must match the geometry it was built for: oblique, angled, natural.

Flat ground does not provide this. Flat footwear does not provide this. The Industrial Revolution gave us both — and nobody asked what that would do to the human body over a lifetime.

This is not opinion. This is geometry. Math confirms it is physically impossible for the human foot to function correctly on a flat surface. It was never designed to.
02 — The Math
42 degrees. 16 degrees. A geometric impossibility.
The subtalar joint axis sits at 42 degrees of inclination and 16 degrees of deviation from the midline of the foot. These are not estimates — they are measured anatomical constants documented in biomechanical research since 1941. A flat surface cannot engage this axis correctly. It is a geometric impossibility — the same way a square peg cannot fit a round hole, no matter how hard you push.

The consequence is not just discomfort. It is a chain reaction of dysfunction that travels upward through every joint in the body with every single step. Multiply that by 8,000 steps a day. Multiply that by a lifetime.
03 — Universal Exposure
Every single person alive is already affected.
Every human being who lives and works on flat man-made surfaces is exposed to this. No exceptions. Age, gender, race, religion — irrelevant. If you walk on flat ground, the geometry applies to you.

The confirmation comes from populations who do not live this way. People in communities where flat ground and flat footwear are not the norm show dramatically lower rates of the conditions associated with subtalar joint dysfunction.

The math predicted it. Nature confirmed it.

04 — The Solution
Not an insole. Landing Gear.
Protalus Landing Gear is not an insole. It is a biomechanical device engineered around the precise geometry of the subtalar joint axis. It restores the asymmetric surface condition the foot requires — placed inside any existing footwear. Not cushioning. Not arch support. Geometry.

It works as both a vaccine and a cure. For those not yet in pain — it prevents the compounding damage from continuing. For those already experiencing consequences — it addresses the root cause, not the symptom.
05 — Your Body Will Tell You
No one needs to convince you. Your first step will.
Independent laboratory testing using 3D motion capture on 31 subjects confirmed that 9 in 10 people move into correct subtalar joint range with Landing Gear. 99,000+ reviews and 2 million customers confirm what the lab showed.

The moment you take your first step with Landing Gear, your own body responds. Walking requires less effort. Movement feels different. Even people with no pain today notice the difference immediately.

That is why we are bold enough to offer 90 days, full money back, no questions. 95 out of 100 say yes. The other 5 get every cent back.
06 — The Problem
The knowledge is being blocked.
Google and Facebook have classified Landing Gear as a medical device because it resembles an insole. Their automated systems made this determination. No human reviewed it. No appeal has reversed it.

The result: the platforms that could reach billions of people with this knowledge have effectively blocked it. Paid advertising is severely restricted. Organic reach is throttled.

The knowledge exists. The proof exists. The solution exists. The world just does not know yet — because the channels that would normally spread it are closed.
07 — Where You Come In
The algorithm cannot stop a human voice.
The platforms cannot stop a person from telling another person what they know. The algorithm cannot flag a conversation. The compliance AI cannot scan a human voice speaking to an audience that trusts it.

You have an audience. They trust you to bring them ideas that matter. This is an idea that matters to every single one of them — because every single one of them is already affected.

How you deliver the knowledge to your audience is entirely your craft. That is why we are talking to you and not running another ad.
Background Knowledge — A. Perspective

Humans Have Been Wrong Before. Profoundly, Universally Wrong.

History is full of cases where the foundational assumption was wrong — so every solution built on top of it was also wrong, and the wrongness was invisible because everyone shared the same blind spot. These are called paradigm errors. Here are the most instructive ones.

~500 BC — Present Day
The Earth Is Flat
The archetype of paradigm error. Every navigation calculation, every map, every astronomical model was wrong. The tools got more sophisticated, the measurements got more precise — but precision applied to a wrong foundation just produces confident wrong answers. The people who challenged it were not taken seriously until the evidence became impossible to ignore.
Your parallel: The insole industry's foundational assumption is that feet need support and cushioning. Every product is a more sophisticated version of the same wrong answer.
~400 BC — 1800s
Bloodletting — Medicine's Most Consequential Mistake
For over two thousand years, educated physicians drained blood from patients to restore balance to their bodies. George Washington was bled multiple times in his final illness. It almost certainly accelerated his death. The doctors were not monsters — they were following the best understanding of their era. Everyone agreed. The authorities said so. The evidence seemed to support it.

These were not fringe beliefs. They were the consensus of the most educated people alive. Challenging them required not just evidence but the courage to say: what everyone knows is wrong.
Your parallel: Custom orthotics, arch support, cushioning — all treating symptoms downstream of the real cause. More sophisticated versions of the same wrong answer.
~150 AD — 1600s
Ptolemaic Astronomy — When the Math Works but the Model Is Wrong
Ptolemy built an extraordinarily complex system of epicycles — circles within circles — to explain planetary motion from an Earth-centered model. It was internally consistent. It made accurate predictions. For 1,400 years it was the standard. The math worked. The model was completely wrong.

When Copernicus proposed the sun-centered model, the response was not curiosity — it was rejection. The establishment had too much invested in the existing framework.
Your parallel: 3D-printed insoles, AI fitting algorithms, custom scans — epicycles. More sophisticated tools applied to the wrong foundational model.
1840s
Childbed Fever — The Person Who Was Right Got Fired
Ignaz Semmelweis noticed that women in doctor-attended wards died of childbed fever at 10-35 times the rate of midwife-attended wards. His conclusion: doctors were carrying particles from autopsies to deliveries. He insisted on handwashing. Deaths dropped dramatically. The medical establishment rejected him, fired him, and he died in an asylum. Twenty years later, Pasteur's germ theory proved him completely correct.
Your parallel: This is almost exactly your situation. The industry treats symptoms by addressing the symptom location — not the causal geometry upstream. The person pointing at the real cause is inconvenient.
20th Century
Stomach Ulcers — The Doctor Who Drank the Petri Dish
For decades, consensus was that ulcers were caused by stress and stomach acid. The entire treatment infrastructure — antacids, stress management, surgery — was built on this. Barry Marshall believed bacteria caused ulcers. Nobody believed him. He drank a petri dish full of H. pylori bacteria, developed gastritis, treated it with antibiotics, and cured himself. He won the Nobel Prize in 2005.
Your parallel: The industry has been treating the symptom for decades. The geometry was always the cause. Nobody questioned it because the assumption was invisible.
The Common Thread

Every one of these shares the same structure:

  1. A foundational assumption is accepted as obvious
  2. Solutions are built on top of it — increasingly sophisticated ones
  3. When solutions fail, the response is to make them more sophisticated, never to question the foundation
  4. The person who questions the foundation is called a crank
  5. Eventually the foundation collapses and everything built on it becomes instantly obsolete

The insole industry is currently at step 3. More cushioning, more custom scans, more AI fitting algorithms — epicycles, all of it.

"Every solution in this category has been a more sophisticated version of the same wrong answer. The surface is flat. That is the assumption no one questioned. We questioned it."

That is Copernicus. That is Marshall drinking the petri dish. That is the frame.

In both the flat earth and bloodletting cases, the paradigm shift did not come from institutions. It did not come from advertising. It came from people who understood something important and told other people who then told other people. The knowledge traveled person to person until it became impossible to ignore.

That is the community you are being invited into.

Background Knowledge — B. The Foot

The Foot Is Not a Cushion Problem — It Is a Control System

The foot expects a specific motion environment: varied terrain, oblique loading angles, and the dynamic geometry that allows the subtalar joint to execute its natural rotation. When that environment is replaced by flat industrial floors, the entire chain above fails in predictable, measurable ways.

Think of the foot as four systems working together:

Drive Shaft
The subtalar joint axis at 42°/16°. Translates vertical load into controlled rotation up the leg. Without correct geometry, energy moves in jolts instead of a smooth wave.
Hydraulic Damper
Cartilage, synovial fluid, and muscle viscosity dissipate impact. When the drive shaft is off-axis, the damper absorbs shocks it was never designed to handle.
Rubber Band
The plantar fascia and Achilles tendon store elastic energy on loading and release it at push-off. Arch support locks this spring and prevents it from working.
Servo Controller
Thousands of sensory nerves send real-time data to the brain. On flat ground, those signals become repetitive noise. The brain loses its feedback loop. Balance degrades. Fatigue rises.

You would not remove the suspension from your truck and expect it to last on rough roads. Do not work eight hours on flat concrete without the suspension your body was built with.

Background Knowledge — C. The Math

Why Flat Is Mathematically Impossible

42°Inclination
16°Deviation
0°Flat ground asymmetry
1941First documented (Manter)

A flat surface defines a two-dimensional plane. The subtalar joint axis defines a three-dimensional oblique vector — 42 degrees of inclination and 16 degrees of deviation from the midline. It cannot be expressed in two dimensions.

For the heel to rotate correctly around that axis, the surface beneath it must be geometrically aligned with the rotational path — not perpendicular to gravity. A flat surface forces the heel to load symmetrically. The subtalar joint axis is inherently asymmetric. If it were symmetric, it would sit at 45°/0°. It does not. It sits at 42°/16°.

The heel cannot rotate correctly if the surface underneath it treats both sides identically. Flat geometry cannot guide diagonal rotational motion. This is not a theory. It is geometry. Documented in peer-reviewed literature in 1941 and unchallenged since.

Make your tires square. See how that goes.

A tire is round because it rotates around a fixed axis. The contact geometry of the tire must match the geometry of rotation — or the system does not work. Not inefficiently. Not uncomfortably. It does not work, by definition.

Your foot has the same requirement. The subtalar joint is a rotating hinge. The surface beneath it must match the geometry of that rotation. Flat ground does not. It is the square tire. Every step, every day, for your entire life.

The insole industry's response for fifty years: make the rubber softer.

Background Knowledge — D. The Consequences

What Happens When the Foot Cannot Work

The consequences of subtalar joint misalignment do not stay in the foot. They travel upward through the entire kinetic chain. This is one mechanical chain reaction expressing itself at different points in the body.

Foot
  • Plantar fasciitis
  • Heel spurs
  • Achilles tendinopathy
  • Bunions
  • Hammer toes
  • Metatarsalgia
  • Morton's neuroma
  • Progressive flat feet
Ankle
  • Chronic instability
  • Ankle impingement
  • Posterior tibial tendon dysfunction
Knee
  • Patellofemoral syndrome
  • IT band syndrome
  • Medial compartment osteoarthritis
  • ACL stress
Hip
  • Hip bursitis
  • Piriformis syndrome
  • Hip flexor strain
  • SI joint dysfunction
Spine
  • Lower back pain
  • Lumbar disc compression
  • Sciatica
  • Leg cramps
Systemic
  • Chronic fatigue from muscular compensation
  • Altered gait patterns including duck walking
  • Progressive joint degeneration — irreversible
Performance
  • Reduced propulsive force per step
  • Higher energy cost for the same pace
  • Impaired balance and mid-stride recovery

Your body has many backup systems. But backup systems are not primary systems. Using them as primary systems — indefinitely, under full load, thousands of times a day — has consequences you cannot reverse.

Background Knowledge — E. The Proof

Independent Validation

The science was not commissioned by Protalus to support a marketing claim. The peer-reviewed biomechanical literature established the subtalar joint axis geometry decades before Protalus existed. Manter documented it in 1941. Protalus engineered to those published coordinates.

BioMechanica LLC — under Dr. Martyn Shorten Ph.D., former Director of Nike Sports Research Lab — independently verified the results using 3D motion capture on 31 subjects.

28/31Correct STJ range with M-100
19/31Correct STJ range with T-100
3/31Correct STJ range with foam
2M+Customers worldwide
99K+Verified reviews
109Patents

What is missing is not proof. What is missing is distribution of the knowledge.