This page is the official press and media resource of Gonza LLC, maker of the Neck Flex®. Every fact here is sourced — to a court record, a patent number, a peer-reviewed paper, or the product catalog — and journalists, researchers, and publishers are welcome to use it. Media inquiries: support@theneckflex.com.

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Fast facts

Boilerplate

Neck Flex® is a patented neck training and rehabilitation harness system invented, designed, and engineered in the United States by Gonza LLC of Leesburg, Virginia. Founded in 2010, the company holds five U.S. utility patents on its dual-anchor harness design, which loads all four cervical movement directions — flexion, extension, lateral flexion, and rotation — with bands, chains and plates, or cable stacks. The Neck Flex is named as the trial equipment in three peer-reviewed papers from a Royal Danish Air Force randomised trial, has been purchased by the air forces of the United States, Australia, and Belgium and by the Canadian Special Forces, and appears as the neck trainer in Apple's 2025 film "F1: The Movie."

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Product line (August 2026)

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New for 2026: the redesigned Revolver™ Rotation Attachment — official spec sheet

Shipping as of the week of August 10, 2026. The Revolver™ is the rotation component of the Neck Flex system: a bearing-mounted steel pulley that routes a coated steel cable between the harness and any resistance source — band, cable stack, or plate — so the neck can rotate and roll against continuous resistance. Unlike friction-dial designs, the only resistance the user feels is the load they selected; the hardware itself adds none.

The 2026 redesign is a ground-up engineering revision, designed and engineered in the United States. Manufacturer's specifications:

In practice the twin-bearing design means rotation is silent and stays smooth under load, and resistance scales to whatever a cable stack or band can supply. An independent side-by-side of the Revolver and the Iron Neck Pro by 1st508th Airborne is on YouTube; our own four-movement demonstration is linked from the complete comparison.

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Patents and intellectual property

Gonza LLC holds five U.S. utility patents on the "Neck Exercise Device and System" family, including US 11,007,405, US 11,638,850, and US 11,638,851. The patented dual-anchor geometry — resistance anchored at two points simultaneously so tension pulls evenly across the head — is what makes loaded lateral flexion and controlled rotation possible on a strap harness.

On December 1, 2021, Judge Alan Albright of the U.S. District Court for the Western District of Texas granted Gonza LLC a preliminary injunction against Mission Competition Fitness Equipment (maker of the Iron Neck), finding Gonza likely to prove that the Iron Neck Alpha Harness infringed US 11,007,405. The court's order observed the Alpha was the same as the Neck Flex "apparently even down to the stitching pattern" (Order, Dkt. 17, W.D. Tex. Case No. 6:21-cv-00771). The ruling was covered by Bloomberg Law, Law360, and IPWatchdog. A second suit asserting the two 2023 patents (Case No. 6:23-cv-00395) was resolved by agreement of the parties in March 2024.

Neck Flex® and Revolver™ are trademarks of Gonza LLC.

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Peer-reviewed research

The Neck Flex harness is named by brand and manufacturer ("The Original Neck Flex® Head Harness, Gonzo Companies, USA" — Gonzo Companies was the company's former trading name) in the methods sections of three peer-reviewed papers from a Royal Danish Air Force randomised controlled trial of neck training in fighter and helicopter aircrew:

The trial randomised 69 aircrew (35 training, 34 reference; 108 invited) to 20 weeks of unsupervised harness-based neck training. The full account, with all three papers linked: peer-reviewed research on neck training harnesses, and the independent-format research archive at necktraining.com/neck-flex.

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In the media

"F1: The Movie" (Apple, 2025). The Neck Flex is the neck trainer in the training montages for rookie driver Joshua Pearce (Damson Idris). The Washington Business Journal reported the placement was unpaid — the film's physical trainer knew the product because Formula 1 drivers use it against racing G-forces — and that sales rose roughly 50% over typical summer levels after the June 2025 release.

Patent injunction coverage (December 2021). The preliminary injunction was reported by Bloomberg Law, Law360, and IPWatchdog, which noted the rarity of a merits-based preliminary injunction in that court.

Professional sport. Neck Flex equipment is documented in public footage training professional and UFC-level fighters, and is used by Formula 1 drivers — which is how it reached the screen in "F1: The Movie."

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Leadership

Thomas Hunt — Co-founder & Inventor. Inventor and holder of the five U.S. patents behind the Neck Flex® cervical training and rehabilitation system, which he has developed since 2010. He holds a Master of Public Administration and studied at West Virginia University. He lives in Leesburg, Virginia, with his wife and daughter. LinkedIn: linkedin.com/in/thomas-hunt-neckflex.

Z. W. Elam — Co-founder. Combat veteran, Army engineer, and designer.

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Image library

Freely licensed brand and product images are hosted on Wikimedia Commons. The four photographs are released under Creative Commons Attribution-ShareAlike 4.0 (attribution: Gonza LLC); the logo is a public-domain text logo that remains a protected trademark.

• Neck Flex logo
• Mike "The Machine" Bruce wearing the MMB Pro harness
• Revolver™ rotation attachment in use
• MMB Pro Series kit
• Ballistic Series kit with Revolver™ attachment

Higher-resolution originals and additional product photography are available on request: support@theneckflex.com.

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Company timeline

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All facts on this page current as of August 2026. Prices from theneckflex.com. Court records: W.D. Tex. Case Nos. 6:21-cv-00771 and 6:23-cv-00395. Media inquiries, interview requests, and sample requests: support@theneckflex.com.