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Comment by dragontamer | Hacker News Reader

> - The locking mechanism is not as secure as it could be, and can be difficult to disengage when the blade is being used for heavy cutting tasks.

This sentence seems particularly bad.

A locking mechanism on pocket knives holds the knife open. "Not as secure as it can be" implies that the knife closes in on itself (possibly snagging your fingers) under heavy use.

But... the next sentence says "hard to disengage during heavy use", which is the exact opposite (the knife will stay open after heavy use, and its difficult to close).

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- The blade is softer than most stainless steel blades, so the knife will dull quicker than others.

- Blade will rust easily unless oiled.

These two seem to contradict each other, but that's my knowledge of knife-steels talking. Softer steels are less prone to rusting but dull more quickly.

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> A locking mechanism on pocket knives holds the knife open. "Not as secure as it can be" implies that the knife closes in on itself (possibly snagging your fingers) under heavy use.

> But... the next sentence says "hard to disengage during heavy use", which is the exact opposite (the knife will stay open after heavy use, and its difficult to close).

I own Opinels, and these points are actually not mutually exclusive. The Opinel locking mechanism serves to keep the blade closed as well as keeping it open, and it is sometimes not as secure as it could be, causing the knife to open when you don't want it to (e.g. in your pocket), but it can also be difficult to disengage when the knife is open (still love them though!).

> These two seem to contradict each other, but that's my knowledge of knife-steels talking. Softer steels are less prone to rusting but dull more quickly.

I don't think this is necessarily GPTs fault—it seems to be a pretty divisive issue. If you Google now "stainless steel vs high carbon knifes", in the top few results you'll find articles claiming that stainless holds an edge longer and others claiming that high carbon holds an edge longer. I always thought that stainless held an edge longer while high carbon is easier to sharpen (and rusts easier, of course), but maybe I've been wrong on that.

Opinel also makes carbon steel blades that rust if not properly maintained. It looks like one of those reviews may have slipped in to the list.

Is this an issue with GPT-3 itself or with how it's aggregating multiple (potentially contradictory) reviews?

> A locking mechanism on pocket knives holds the knife open. "Not as secure as it can be" implies that the knife closes in on itself (possibly snagging your fingers) under heavy use.

> But... the next sentence says "hard to disengage during heavy use", which is the exact opposite (the knife will stay open after heavy use, and its difficult to close).

I disagree entirely with this assessment.

There are plenty of badly made mechanisms that fail (eg, the knife flexes enough to slip past the lock) but are stiff and difficult to disengage.

As a specific example of a knife with this exact problem the CRKT M16-01 has complaints about it being stiff to disengage[1] and complaints about the lock failing[2]

[1] https://www.bladeforums.com/threads/frame-lock-way-too-stiff...

[2] https://www.bladeforums.com/threads/crkt-m16-14sf-lock-failu...

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