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10 Million People Watched a YouTuber Shim a Lock. The Lock Company Sued Him—and Lost the Spotlight

A YouTuber bypassed Proven’s Model 651 trailer lock with an aluminum-can shim. The company sued, failed to obtain an injunction, and later dismissed the case.
Opened Runtime10 min Written byDocumentaryTube Team
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Proven Industries advertised its Model 651 trailer lock surviving a sledgehammer, bolt cutters, and a crowbar. Trevor McNally, the creator behind McNallyOfficial, answered with a quieter demonstration: he opened the roughly $130 lock in seconds using a shim cut from an aluminum beverage can.

The video approached 10 million YouTube views. Proven sued McNally in federal court, seeking—among other remedies—to restrict his videos. A judge denied the company’s preliminary-injunction request, and Proven voluntarily dismissed the lawsuit in July 2025. That was not a final trial ruling on every factual or legal issue, but it made the dispute a powerful case study in product security, fair use, crisis communications, and the Streisand effect.

The dispute in one sentence

McNally demonstrated a repeatable bypass of a Proven Model 651 latch-pin lock, while Proven argued that the videos omitted important testing context and misrepresented the product; the company’s attempt to fight the criticism in court failed to obtain emergency suppression and ended without a merits trial.

Who is Trevor McNally?

Trevor McNally, known online as McNallyOfficial, publishes short, frequently wordless demonstrations involving locks and physical-security devices. His videos use techniques such as picking, shimming, striking, and other forms of bypass.

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Ars Technica reported that, at the time of the lawsuit, McNally had more than seven million followers and more than two billion total views across platforms. Those figures describe his audience at that point, not verified totals for 2026. His former U.S. Marine background is part of his public persona, but it is not evidence that any particular lock test was technically conclusive.

McNally should also not be conflated with the separately branded LockPickingLawyer. McNally has been associated with Covert Instruments, a company selling lock-picking products, which may be relevant to disclosure and perceived incentives but does not, by itself, disprove his demonstration.

How the video conflict began

On March 3, 2025, Proven published a promotional video defending its Model 651 latch-pin trailer lock against claims that the latch pin could be easily broken off. The demonstration showed the lock resisting a sledgehammer, bolt cutters, and a crowbar.

That was a brute-force test. On April 3, McNally posted a response using a thin shim cut from an aluminum beverage can. He opened the lock within seconds while casually drinking juice and swinging his legs. According to Proven’s amended complaint, McNally used approximately 15 seconds of Proven’s roughly 90-second promotional video in the response.

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The contrast made the clip exceptionally shareable: Proven presented a product resisting dramatic physical attacks; McNally suggested that a thin piece of improvised metal could defeat a different part of the mechanism. The two demonstrations were not testing the same property.

What McNally actually demonstrated

The first viral video showed a bypass demonstration, not an actual theft and not a comprehensive security certification. McNally did not verbally explain the technique in that initial video. The argument was made through editing and visual juxtaposition.

Proven later challenged the conditions. In its amended complaint, the company alleged that McNally had previously inspected the lock, understood its internal mechanism, prepared a specialized shim, and tested a loose lock rather than one installed on a trailer. Those are allegations from a pleading, not facts established at trial.

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McNally gave a different account in a sworn declaration. He said the lock was not altered, that his shim used a simple hook profile, and that the bypass was recorded in one continuous take. He also said he bought new Model 651 locks from an Amazon delivery kiosk, opened the packaging on camera, cut the shim without measurements, and repeated the bypass on follow-up videos published May 23 and May 25.

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A Proven employee was reportedly able to duplicate the technique. That strengthens the case that the mechanism permitted a genuine bypass. It does not answer every practical-security question about how the attack works when the lock is installed, how much practice is required, or whether all Model 651 configurations behave identically.

Why the testing conditions mattered

A responsible security analysis must separate attack time from preparation time and a loose-device demonstration from an installed attack.

Question Why it matters
Was the lock new and unmodified? A previously opened, altered, or disassembled sample could produce a misleading result.
Which core and internal configuration were used? Different cylinders, springs, latch arrangements, or production revisions may respond differently.
Was the lock mounted on its intended trailer or hitch? Installation can limit access, leverage, hand position, and tool movement.
How many samples were tested? Repeatability helps distinguish a design weakness from a one-off defect.
How was the shim made? A readily available improvised object presents a different risk from a custom tool requiring specialist fabrication.
How much skill was required? A bypass can be real yet impractical for an ordinary opportunistic thief.
Did the attack leave visible damage? Detection risk and whether the lock can be relocked affect real-world severity.
What threat was the product designed to address? Protection from casual tampering is not the same as resistance to a determined attacker.

The central technical conclusion should therefore be narrow: McNally demonstrated a bypass of the Model 651 mechanism under the conditions shown. Repeatability is meaningful evidence of a design vulnerability, but it does not automatically prove that a thief can defeat every Proven lock, every production revision, or every mounted installation in seconds.

What Proven alleged in court

Proven filed Proven Industries, Inc. v. Trevor McNally, No. 8:25-cv-01119, in the U.S. District Court for the Middle District of Florida on May 1, 2025. Its amended complaint listed eight causes of action:

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  1. Copyright infringement.
  2. Defamation by implication.
  3. False advertising.
  4. Violation of Florida’s Deceptive and Unfair Trade Practices Act.
  5. Tortious interference with business relationships.
  6. Unjust enrichment.
  7. Civil conspiracy.
  8. Trade libel.

The complaint’s central theory was that McNally’s silent, mocking presentation falsely implied that Proven’s lock was inherently insecure and that the company had deceived consumers. Proven also argued that using excerpts from its promotional video was not protected by fair use.

Those claims came from Proven’s pleading. A complaint is a party’s statement of allegations, not a judicial finding that the allegations are true.

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The copyright and fair-use issue

The copyright claim focused on McNally’s use of part of Proven’s promotional video in his response. The fair-use analysis would ordinarily consider four factors:

  • Purpose and character: Criticism, commentary, parody, and transformation generally support fair use. Monetization does not automatically defeat it.
  • Nature of the work: A factual or promotional marketing video may receive less protection than a highly creative work.
  • Amount used: The percentage and importance of the excerpt matter, not merely the number of seconds.
  • Market effect: A criticism video that comments on the original is different from a substitute that serves the same market.

At the preliminary-injunction hearing, Judge Mary Scriven reportedly characterized the use as transformative criticism and declined to stop the videos. That was an interlocutory decision about emergency relief—not a final merits ruling after discovery and trial.

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The June 13 injunction hearing

Proven sought emergency relief that would have restricted McNally’s videos while the case proceeded. The hearing reportedly included an unusually concrete question: whether the parties had brought a lock and a beverage can for a live demonstration.

A Proven employee reportedly acknowledged being able to reproduce McNally’s technique. Judge Scriven denied Proven’s preliminary-injunction request on June 13, 2025.

Winning or losing a preliminary injunction is not the same as winning or losing the entire case. The requesting party must satisfy a demanding emergency standard, including showing a likelihood of success and that immediate relief is warranted. The denial meant Proven had not met that standard at that stage. It did not finally decide every claim, nor did it constitute a ruling that every Proven lock was unsafe.

How the lawsuit ended

Proven voluntarily dismissed the lawsuit in July 2025, roughly two months after filing. The company did not obtain the requested preliminary injunction, and the case did not proceed to a reported trial judgment resolving the competing accounts.

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The legally accurate summary is therefore limited:

  • McNally publicly demonstrated a bypass of a Proven Model 651 lock.
  • Proven sued over the videos and their presentation.
  • The judge denied Proven’s request for preliminary relief.
  • Proven later voluntarily dismissed the action.

It is inaccurate to say that Proven lost at trial, that a court declared the lock defective, or that McNally received a final ruling validating every statement in his videos. It is equally inaccurate to treat the dismissal as proof that Proven’s allegations were true.

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Why the lawsuit became a Streisand-effect event

The dispute illustrates the difference between correcting criticism and trying to suppress it.

Proven could have acknowledged the bypass, identified the affected configuration, published realistic installation guidance, offered replacement or upgrade options, and invited independent testing. Instead, the public confrontation, takedown efforts, and lawsuit made the demonstration easier to find.

Litigation can amplify a story in several ways:

  • A threatened or filed lawsuit creates a second news story around the original criticism.
  • Takedown notices can encourage people to seek copies of the targeted material.
  • Court filings make allegations, exhibits, and competing narratives searchable.
  • A request to suppress a viral video can motivate additional viewers to watch it.
  • The company’s credibility can suffer when its legal strategy appears more aggressive than its technical response.

That does not mean litigation is never justified. A lawsuit may be appropriate where a creator knowingly fabricates testing, publishes provably false commercial claims, infringes protected material, or directs targeted harassment. Product criticism alone is not automatically actionable, and an unflattering demonstration is not the same thing as defamation or false advertising.

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The harassment question

McNally’s audience reportedly directed abusive attention toward Proven and its personnel. That conduct was not justified by the underlying product dispute.

The parties’ conduct must be kept separate. McNally’s sworn declaration says he did not direct or encourage harassment, false reviews, or publication of personal phone numbers. Without evidence establishing otherwise, the responsible account is that individual audience members’ actions should not be automatically attributed to McNally.

Criticism can be protected while harassment, doxxing, threats, and coordinated abuse remain unacceptable. A creator who publishes a provocative security video has responsibilities around audience behavior, but responsibility should not be assigned beyond the evidence.

What this episode proves—and what it does not

It does support

  • That a McNally video showed a Model 651 latch-pin lock being bypassed with an aluminum-can shim.
  • That the bypass was reportedly repeatable, including by a Proven employee.
  • That the original video drew enormous attention, approaching 10 million YouTube views according to reported coverage.
  • That Proven did not obtain emergency suppression of the videos.
  • That Proven voluntarily dismissed the lawsuit in July 2025.

It does not establish

  • That every Proven lock or every Model 651 configuration is equally vulnerable.
  • That a mounted lock can always be defeated in seconds.
  • That the attack requires no practice or prior knowledge.
  • That the video was a complete product test or a measurement of theft risk.
  • That every allegation in Proven’s complaint was false.
  • That McNally’s statements were finally adjudicated as protected at trial.
  • That audience harassment was directed by McNally.
  • That the incident establishes a security ranking for the trailer-lock industry.

What consumers should learn

Consumers evaluating trailer or hitch locks should treat a brute-force demonstration as narrow evidence. A lock that resists a sledgehammer may still have weaknesses against shimming, picking, prying, drilling, or attacks on its mounting point.

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  • Identify the exact model, cylinder, core, and production configuration.
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  • Distinguish attack time from the time needed to prepare a tool or learn a technique.
  • Match the product to a threat model: casual tampering, opportunistic theft, or a determined attacker.
  • Prefer transparent independent testing over marketing claims based on a single demonstration.

After a bypass demonstration, the most useful company response is usually technical: explain the affected conditions, test multiple samples, disclose limitations, remediate the mechanism, and tell customers what to do next.

The durable lesson

This was not simply a story about a YouTuber embarrassing a lock company. It was a three-layer dispute.

Technically, the video raised a credible question about whether the Model 651’s latch mechanism could be shimmed. Legally, Proven alleged copyright infringement, defamation, false advertising, trade libel, and related claims, but never obtained preliminary suppression and never reached a final merits judgment. Strategically, suing the critic appears to have transformed a niche physical-security demonstration into a much larger internet-law and crisis-communications story.

Frequently Asked Questions

Did McNally prove that every Proven lock was insecure?

No. He demonstrated a bypass of a Model 651 lock under the conditions shown. That does not establish that every Proven product, configuration, or installed lock can be defeated in the same way.

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Did Proven lose the lawsuit?

Proven failed to obtain a preliminary injunction and voluntarily dismissed the case in July 2025. There was no reported trial ruling deciding all claims.

Did the judge rule that McNally’s video was fair use?

The judge reportedly treated the use as transformative criticism when denying emergency relief. That preliminary decision was not a final merits ruling after trial.

Was McNally responsible for harassment of Proven employees?

Audience members reportedly engaged in abusive conduct. McNally’s sworn declaration says he did not direct or encourage harassment, false reviews, or publication of phone numbers; the available account should distinguish his conduct from that of individual viewers.

The Bottom Line

McNally’s video exposed a real bypass question, but not a universal verdict on Proven’s entire product line. Proven’s lawsuit failed to secure emergency suppression and ended in voluntary dismissal—turning an uncomfortable product-security demonstration into a much bigger lesson about fair criticism, transparent remediation, and the Streisand effect.

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