Ever Use the Glassbreaker?

Joined
Aug 29, 2017
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I’ve always thought the glassbreaker tip on some of my knives was a good idea but has anyone here had any first hand experience breaking a car window or otherwise using one in an emergency?

How’d it go?
 
A collegue tested the glassbreaker on a Spyderco Assist on a car window. That glassbreaker is for one time use only. Took the window, but the glassbreaker broke free from the knife
 
At our training facility, I have seen cops beat on some windows until they gave up.
I have one of these wonders in all our family vehicles. Thew work when the cops arm gets tired. IMPORTANT, wear gloves or cover your hands with something just in case.
https://resqme.com/
 
i have used it once and it worked like a charm.
It was the glassbreaker on the end of the handle on my DPX Hest/F Milspec.
I barely had to tap the window and it put a nice hole in the window.
The glass was tempered so it didnt shatter everywhere, but it punched a nice hole in the window with ease
 
I really don't mean to be a wise ass, but, though rarely needed, if it is needed it is VERY important that it works. :eek:
 
I used the glass breaker on my
Ultratech to get a woman having a stroke out of her car after she wrecked into some brush. Worked like a charm. One moderate hit and the window cracked over like ice, broke it off with my covered elbow.


I try to have a knife with a breaker in my car or on my person when I’m out and about.
 
3 months or so ago I pulled a man out of a burning car he had out in the ditch. He was elderly, out of it, and the car was at a 45 degree angle. I managed to JUST get the door open enough to pull him through.
Went home and ordered two of those resqme punches for both our cars that night.
 
3 months or so ago I pulled a man out of a burning car he had out in the ditch. He was elderly, out of it, and the car was at a 45 degree angle. I managed to JUST get the door open enough to pull him through.
Went home and ordered two of those resqme punches for both our cars that night.
Nice work. You made my day.
 
i have used it once and it worked like a charm.
It was the glassbreaker on the end of the handle on my DPX Hest/F Milspec.
I barely had to tap the window and it put a nice hole in the window.
The glass was tempered so it didnt shatter everywhere, but it punched a nice hole in the window with ease
Likely the best breaker designed and by far the best pocket clip.
 
I have a coworker who was out for a jog when he saw a car go off the road and into a canal. He immediately ran to the car but it was already submerged when he got to it. He was unable to get any of the doors open and the elderly couple inside didn’t survive.

That was like 2 years ago and it really messed my buddy up. He wasn’t the same for months.

I don’t know if having a knife would have mattered I’m not sure you can hit as hard as one of those spring punches underwater. The resqme seems to make more sense now that I think about it.
 
I have not yet used or tested a glass breaker, but they sound pretty useful by the replies here, I have them usually on the tactical pens but not always on the knives I carry.
 
Add me to the centerpunch camp. Always works, and it's simple to use.

Having a glass breaker on a knife is nice, but has its limitations. Like someone said above, your not gonna be able to generate any force underwater. If the space is very confined, you may not be able to get enough to swing to break the glass. A broken arm or wrist can keep you from using it (though this is true for a centerpunch as well). And, most importantly, ANYONE can use a centerpunch a even a young child (providing you teach them).

All that said, I have a cheapie Mtech rescue knife in my truck (it was a gift, might as well put it to use). The centerpunch is in the wife's car.

Last thought... IF you are gonna keep any kind of rescue tool in your car, make sure it's both easily accessed AND well secured. Your glovebox is a lousy place - upside down, trapped in your seatbelt, you're never gonna reach it. Laying loose in your cup holder, and it's gonna fly around in an accident. That cheap Mteck is clipped in one of the door pockets in the truck, and the wife's centerpunch is tucked in a pen/pencil slot on her visor.
 
Ever use the glassbreaker?
Yes, and with spectacular results.
A glass breaker is an excellent feaure. I had a tungsten glass breaker installed on one of my knives.
Also heartedly recommended to have one of the small dedicated window breaker pocket and seat cutter tools with you in the car.
I always wonder, why most cops dont carry a ResqMe on their keys (its small and weighs next to nothing) or carry a Leatherman Raptor, when I see them use batons to bang on windows until their arms gets tired.
I EDC the Raptor. Its solid and it works.

Tungsten core glass breaker in action below;
BladeScout said:
We had a big chunk of tempered glass window.

I aimed for a corner and lightly - lightly - tapped the tempered glass with the tungsten core insert.



Presto! The glass didnt just fall apart - it EXPLODED!










The GLOCK knife with the tungsten core is spectacularly efficient.






Why do this?

Well, it might come in handy if your work vehicle turns over on uneven terrain and one is trapped ... or something in that vein.

Mostly we just did it, because we could.






Please disregard the motorcycle gear glimpsed in the above - we had earlier had the bikes out.

All properly supervised by Sara, who does NOT care much for any motorcycle racket nor the fact, that she never goes along, when ever bikes are cranked up.

She bites the bikes, barks and looks at you stubbornly, as if the mere starting of bikes is an insult:

 
Yep.

I used to be a volunteer firefighter for my hometown. I used a cheap glass breaker on a gas station knife in two separate instances when I was first on scene and didn't have my gear. The first time the car was still running after a crash and the battery wasn't easily accessible because the hood/front end was so damaged. I wasn't going to climb through the rear window (how the driver got out) to shut it off so bye-bye window. The second time, a babysitter had left the car running with a toddler inside while she ran into the store. The car died and the doors locked automatically or something of the sort. It was a warm day... So again, bye-bye window.

In both cases that cheap gas station knife with a glass breaker performed flawlessly and I was thankful to have it.
 
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