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What do you carry in your pockets every day?
For me, it used to just be my keys, wallet, and phone. When I started to consider concealed carry, I realized that I had a pocket knife and pepper spray that I never carried around even though it's really not much more cargo than what I already had, and I just need to build the habit. I don't have the pepper spray oriented in a way that makes it very easy to get out and use, but the pocket knife has already been quite useful; at work, cutting off zip ties or opening packages is useful. At July 4th, other people handling the fireworks were asking to borrow my knife quite a lot. The knife you bring with you is a lot handier than the knife you leave at home! Even a dull one.
I also bought an OLight Mini 2 for my keychain. Pretty nice, though I think it's only really come in handy once or twice so far. It seems to be marginally brighter than my phone light, and a lot quicker to bring to bear. It was cheap.
Things I have considered:
I recently reported on a series of stabbings that took place in Dublin at hip hop concerts, and a recurrent sentiment I've seen expressed by multiple people independently is that a person who brings a knife with them to a gig probably fully intends to stab someone at said gig, and the fact that they were carrying a knife on their person should be judged evidence for premeditation.
I cannot fathom why anyone would carry a knife with them to a social occasion. If I was hosting a party or barbecue and someone brought a knife with them (without a good reason, like they were coming straight from work), I would mentally strike them off all future guest lists.
I carry a small multi-tool on my keychain, and other than having to remember to remove it before air travel or large venue events with metal detectors, I've never stabbed someone with it in the almost two decades I've carried it. The closest I've gotten there has been on myself. Also useful as a screwdriver and small pliers. The knife on it is maybe two inches long and would be a very ineffective weapon. I know folks that carry a full-size multi-tool around, too.
Hopefully you wouldn't kick me out of your social occasions, but I suppose standards for edged "weapons" vary a lot by country: it'd be legal here for me to concealed carry a firearm many places I go, but I don't.
What day to day tasks does this help with? I have a swiss army knife somewhere but there never seemed to be anything to do with it, so I'm curious about what I could use it for.
I realize this is a common cultural difference even within the United States, but there's a lot of relevance, anywhere from opening packages to cutting zip ties to prying out heat-set inserts to breaking open containers to stripping cable to trimming plastic nubs.
My uses are a little more common than most people -- I carry the cheapest tantoized blade possible because I've had to derivit aluminum plate in the field enough that it's a parlor trick -- but still, I work in a field with soft hands.
I try not to carry to public events like a concert, but I'll admit I've had to throw mine away a couple times because I just forgot I had it on me and went to a venue that banned them.
What is "deriviting"?
Sorry, typo. Removing rivets, generally from joined plates. If you ask a mechanic, the 'right' way to do it involves a properly matched good quality drill bit, but if you have a good knife or even a wood chisel (and don't mind permanently damaging the knife/chisel!) you can get almost all aluminum rivets out with just the heel of your palm, and some steel rivets out with a good hammer.
Is the tanto shape more conducive to this?
tanto points are significantly stronger than a lot of other point styles. In addition, tanto-style blades are frequently chisel-ground, which is worse for cutting but better for this sort of thing.
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