Cold Steel - Immortal - an interesting find.

This is to allow for the presence of pocket lint which can easily weaken or disable this kind of lock. Here the lint has a space to get squashed into and not impede the mechanism.

Gaston
I should elaborate. The mortise on a lock-back is exposed when the knife is closed. This allows access to any lint that may have accumulated. It can be easily removed with a small pointy object, such as a toothpick or Donald Trumps winkie.
 
This is to allow for the presence of pocket lint which can easily weaken or disable this kind of lock. Here the lint has a space to get squashed into and not impede the mechanism.

Gaston

If you're all concerned about the lockup and the linfcompressor, buy another knife, stay away from lockbacks, stick with Framerame, locks, Axis locks, Walker locks, Rolox, Swivel Locks, Funny folders and Slip Joints.

I don't get it, if you're so concerned than give it away, throw it away of put it away but you semi so adamant that it's an issue and a potential failure. Just buy a fixed blade and you wont have to worry about it.

gas, I've been using lock back spring in a few different configuration and in 40 years I never had a failure and any lint in the recess I was able to just blow it out. What are you doin'g that you're afraid of lock failure? If used properly there's always pressure holding the blade open against the spine. I'm not sure how you misuse your knives but you might wanna consider picking up this book to teach you how to properly use a knife. I always thought you might know something about the proper use of folding knives but it's become very evident that you need a refresher.

230px-KnifeSafetyBook.png
:D
 
I should elaborate. The mortise on a lock-back is exposed when the knife is closed. .

Which is exactly why it is vulnerable to this accumulation, in a more or less unpredictable way, depending on which pocket you use, and if the knife is clipped or sitting at the bottom.

This allows access to any lint that may have accumulated. It can be easily removed with a small pointy object, such as a toothpick or Donald Trumps winkie.

Never said otherwise, but if you need it instantly then it is not available instantly, hence the deeper notch to reduce the potential for this occurrence.
 
If you're all concerned about the lockup and the linfcompressor, buy another knife, stay away from lockbacks, stick with Framerame, locks, Axis locks, Walker locks, Rolox, Swivel Locks, Funny folders and Slip Joints.

I don't get it, if you're so concerned than give it away, throw it away of put it away but you semi so adamant that it's an issue and a potential failure. Just buy a fixed blade and you wont have to worry about it.

gas, I've been using lock back spring in a few different configuration and in 40 years I never had a failure and any lint in the recess I was able to just blow it out. What are you doin'g that you're afraid of lock failure? If used properly there's always pressure holding the blade open against the spine. I'm not sure how you misuse your knives but you might wanna consider picking up this book to teach you how to properly use a knife. I always thought you might know something about the proper use of folding knives but it's become very evident that you need a refresher.

230px-KnifeSafetyBook.png
:D

I never said I was concerned, I was just pointing out the purpose of the deeper notch design on a knife that is meant to be always available instantly with one hand, even when the pocket lint or dirt situation may be less than ideal... I did see a failure to lock once or twice on a Spyderco because of this: You never know out of a wash if a lint bundle did not get stuck in a pocket, so you are simply wrong that it can't happen... What Cold Steel did is simply to add a margin of self-cleaning tolerance to make sure the lock at least partially engages despite filler getting in the way, even if the locking action is weakened by age or grit friction.

You need to re-read your posts and cut down on the caffeine my friend...

Gaston
 
Gaston,
Ok, I'll give you the whole "pocket lint-lock failure" thing. It is possible.

I, and a lot of knife owners, clean the lint from their pockets prior to carry. That, combined with checking the knife for lint, makes lock failure EXTREMELY unlikely.

To say Cold Steel did this on purpose is ludicrous. Why didn't they make it even deeper? This would allow even further lint storage for the many that collect pocket lint, toenail clippings, eye crust etc.....
 
and a lot of knife owners, clean the lint from their pockets prior to carry.
R u drunk? I dont care. I would just put it inside even after cutting belt to get outa crashed car or sh!t having arterial blood loss to get to docs asap. Time counts.
 
Yes, I'm drunk. Tomorrow I'll be sober and you'll still be stupid. Please have at least a 4th grade education before responding to posts.
 
Someone please address how you can make it open easier. If you loosen the main blade screw it throws the blade off and oil does not help.
Thanks,
 
I recently acquired one of these and I was shocked at first when looking through the scales i saw NO SPRING. This prompted a search that got me here.
Now, a few days later I stabbed all sorts of stuff, pried pallets and even batoned wood with it and if anything this knife seems to get less wiggly after abuse compared to say my 4Max Scout.

The only qualms I have:

1)I dislike the clip which is not a real issue since I like to just slide the knife in the pocket for better concealment, plus the handle is beautifully symmetrical without it and more comfortable to hold and use so I didn't mind losing it.

2)The fact that the blade rides really close the the inside of the scales thus picking up some scuffs by rubbing on the G10. Not a major flaw since I got it in order to used it hard and good but still.

Not so much a qualm, for like a fun fact about this knife is that despite feeling solid as hell like any triad, if you knock your fingernail on the side where the spring is located it kinda knocks hollow and rattly, which is not the best feeling but I don't suppose will cause any problem, same when you lay it down hard on the table, it makes some sort a rattling hollow sound.

Can anybody who has one relate? How has this knife been, if you're still using it?

Honestly some people find the grip and blade shape not very practical but to me it isn't bad at all. Maybe I have weird hands, I don't know.
The hollow grind cuts stupendously well, it's quite fun to shave wood with it and it can even chop a bit. Even the super sharp spine is a bonus for outdoors use.
 
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