Pre-Launch | Join 500+ veterans, athletes, and physical therapists on the waitlist → JOIN NOW

Built by Warriors. Proven in the Field.

Come Back Stronger.

PROTOTYPE · FINAL DESIGN IN PRODUCTION

The world’s first portable ankle rehabilitation device that works in all four planes of motion. Patented. FDA Class I Exempt. Built by three Special Operations veterans who lived the problem.

Be first when we launch on Indiegogo. Founding backers get exclusive early bird pricing.

25,000

Ankle injuries every single day in the US

40–60%

Become recurring injuries without proper rehab

4,857

Average cost of competitor devices — none are portable

The Problem

Ankle injuries end careers.
Current solutions don't go where you do.

Every day, 25,000 Americans suffer ankle injuries. Most recover enough to function — but not enough to perform. Forty to sixty percent re-injure the same ankle because the rehabilitation stopped when the appointments ended.

The devices that work require a clinic visit. They cost $1,500 to $8,000. They don’t travel. They require a therapist to operate. They do not exist in a barracks, a gym, a home, or a field.

We are Special Operations veterans. We watched this happen to our teammates. We watched careers end and missions get compromised by ankles that never fully came back. So we spent years building the device that should have existed all along.

The Solution

StrengthBoot.
Portable. Patented. Proven.

How It Works
Designed for real-world recovery.
Not a clinic visit.
Every feature was designed around one question: what does a physical therapist do, and how do we put that in your hands — wherever you are?
1
Resistance Band System
Interchangeable bands provide calibrated resistance across all four planes. Start light, progress as you strengthen.
2
Pin Dial Range-of-Motion System
Set the exact range of motion for your current recovery stage. Progress week by week with measurable, repeatable adjustments.
StrengthBoot ankle rehabilitation device showing Pin Dial System, resistance bands, and range of motion detail
3
Portable by Design
Lightweight construction fits in a kit bag, gym bag, or carry-on. Built to go where you go — barracks, hotel, gym, or field.
4
Universal Fit
Designed for a wide range of foot sizes and ankle profiles. No prescription required. Works out of the box.

StrengthBoot is the only portable ankle rehabilitation device that works in all four planes of motion — the same planes used in clinical physical therapy. Use it at home, at training, in the field, or anywhere you recover.

USE ADJUSTABLE RANGE OF MOTION OR LOCKED FOR WALKING BOOT
StrengthBoot side view showing dorsiflexion and plantarflexion range of motion
DORSIFLEXIONPulling foot upward
PLANTARFLEXIONPointing foot downward
StrengthBoot top-down view showing inversion and eversion range of motion
INVERSIONRolling foot inward
EVERSION Rolling foot outward
US Patent 8,460,163 B2FDA Class I Exempt150+ Units Validated

In Action

See StrengthBoot work.

79 exercise and demo videos from our team — every motion, every use case, every question answered.

Benefits Explained — How StrengthBoot Works

Where Is StrengthBoot Effective?

How Often Should You Use StrengthBoot?

Clinically Complete

Every plane of motion your ankle needs.

Physical therapists use these four movements in every ankle rehabilitation protocol. StrengthBoot is the only device that addresses all four.

01
PLANTARFLEXION

Pointing your foot downward — essential for push-off strength and calf function

02
DORSIFLEXION

Pulling your foot upward — critical for walking mechanics and shin strength

03
EVERSION

Rolling foot outward — outer ankle stability and lateral movement control

04
INVERSION

Rolling foot inward — inner ankle strength and balance recovery

 

There's nothing else like it.

FeatureStrengthBootClinic DevicesResistance BandsRICE Protocol
4 Planes of Motion
Portable / Field-Ready
Self-Directed (No PT Required)PartialPartial
FDA Registered
PatentedVaries
Price$300$1,500–$8,000$10–$30$0

StrengthBoot is an FDA Class I exempt orthopedic rehabilitation device. Not intended to diagnose, treat, cure, or prevent any disease.

🏅
US Patent 8,460,163 B2
🏥
FDA Class I Exempt
🎖️
SDVOSB — Service-Disabled
Veteran-Owned
🧪
150+ Prototype
Units Deployed
⚕️
In Beta Testing —
Licensed Medical Professionals

Who It's For

Built for everyone who refuses to stay down.

🏃

Athletes

Whether you’re recovering from a sprain or preventing the next one, StrengthBoot gives you a training tool that goes to every practice, every game, every gym session. Rehabilitate faster. Perform longer. Come back stronger.

Injury PreventionFaster RecoveryPerformance
🎖️

Military & Veterans

We built this for you first. Ankle injuries compromise missions and end careers. StrengthBoot goes in your kit, works in any environment, and gives you the self-directed rehab capability that clinic-based systems can’t. Built by SOF veterans who know exactly what that means.

Field-ReadySelf-DirectedMission-Capable
⚕️

Physical Therapists

Add a clinically-sound, affordable tool to your patient’s home program. StrengthBoot addresses all four planes used in evidence-based ankle rehabilitation at a price point your patients can actually afford. Clinical partnership pricing available.

DME EligibleHome ProgramClinical Pricing

The Team

Three veterans.
One mission.

SEAN MURPHY
CEO | Retired Navy SEAL

22 years of service. BS Organizational Leadership. Sean watched ankle injuries compromise missions and end careers throughout his SEAL career. He runs Trivet LLC’s operations, fundraising, and investor relations with the same discipline he brought to the Teams.

CHRIS UNDERWOOD
COO | 75th Ranger Regiment

Former 1st Battalion/75th Ranger Regiment. MBA in Project Management. Chris manages the ESINO manufacturing relationship, prototype evaluation, and production operations — bringing the same standard of execution from the Regiment to every phase of StrengthBoot’s development.

VINCENT GIBBONS
CTO/Inventor | 556 MP Battalion

556 Military Police Battalion, US Army. BS Computer Information Systems, Business Analyst. Vincent is the inventor of StrengthBoot and holds US Patent 8,460,163 B2. He leads marketing, brand, and the technical vision for the platform’s future.

Join the mission.
Be first when we launch.

Everyone on this waitlist gets:

  •  Exclusive Indiegogo early bird pricing — Founding Supporters only
  • Priority fulfillment — shipped before general release
  • Founding Supporter recognition on our website
  • Direct access to the team for feedback

No payment required. No spam. Just launch updates.

Trivet LLC Logo

Built by Veterans. Built for Everyone.

© 2026 TRI-VET LLC | SDVOSB | Oklahoma
Patent US 8,460,163 B2

Follow Us
© 2026 TRI-VET LLC. All rights reserved. SDVOSB | Oklahoma | Patent US 8,460,163 B2