Disguised Knives
Disguised knives are blades built into everyday objects — combs, pens, credit cards, brushes — so they blend into your routine without drawing attention. They're compact, low-profile, and designed for people who want a blade option close at hand without advertising it. Before you carry one, check your state and local laws — regulations on concealed blades vary significantly by location.
Why Would Someone Carry a Knife That Doesn't Look Like a Knife?
Sometimes the point isn't intimidation. It's discretion. A disguised knife sits in your bag, your pocket, or your hand and looks like something you'd have on you anyway — a comb, a pen, a card in your wallet. Nobody looks twice at it. That's the whole idea. For people who travel, commute, hike, or just want a utility blade without the attention a traditional folding knife might draw, a disguised blade fills that gap in a way nothing else does.
I'll be honest with you the way I would be if you were standing at my counter. A disguised knife is not a first-line self-defense tool. It requires close range, preparation, and real intent to use. What it is good for is everyday utility — cutting tape, opening packages, trimming cord — plus the peace of mind of having something on you that could matter in a worst-case moment. Know what you're carrying, know how to use it, and know the laws where you live. That's the foundation.
Top Disguised Knives for Everyday Carry
Comb Metal Knife – 3.5-Inch Blade, Disguised Design
Price: $7.95
This one looks exactly like a standard hair comb until it doesn't. The 3.5-inch metal blade pulls free cleanly, making it one of the more capable blades in the disguised category. It's a solid pick for anyone who already carries a comb and wants something that serves double duty without adding bulk or drawing a second look.
Credit Card Foldable Knife – 2.75" Blade, Wallet Size
Price: $4.95
It fits flat in your wallet like any other card. When you need it, it folds out into a functional 2.75-inch blade. For travelers, commuters, or anyone who packs light, this is about as low-profile as a blade gets. At $4.95 it's also one of the most accessible entry points into the disguised knife category.
Plastic Brush Knife – Disguised 4-Inch Blade, 6.25"
Price: $9.95
The longest blade in this lineup at 4 inches, housed inside what looks like a standard plastic hairbrush. It's a natural fit for someone who already carries a brush in a bag or purse — the disguise is completely natural because it's an object that's genuinely supposed to be there. The 6.25-inch overall length means it handles comfortably when deployed.
Pen Knife – Disguised 2.13-Inch Blade, 5 Colors
Price: $6.00
A pen that rides in your shirt pocket, your laptop bag, or your desk — and conceals a 2.13-inch blade. Available in five colors so it blends into whatever gear you carry. It's a practical choice for office workers, students, or anyone who wants something on them that won't raise an eyebrow in a professional setting. Verify your workplace and local rules before carrying.
What to Look for When Choosing a Disguised Knife for Your Carry Routine
The first question to ask is: what do I already carry every day? The best disguised knife is the one that fits your actual routine. If you carry a brush, the brush knife makes sense. If your wallet is always on you, the credit card knife is a natural fit. The disguise only works if the object it imitates is something you'd genuinely have on you. A comb in the bag of someone who uses one every day doesn't get a second look. A comb carried by someone who doesn't own a comb might. Match the tool to your habits.
Next, think about blade length relative to your intended use. The credit card and pen knives carry blades under 3 inches — good for utility tasks and close-range backup, compact and easy to keep on you. The comb knife's 3.5-inch blade and the brush knife's 4-inch blade offer more capability but are still firmly in the compact range. Longer blade doesn't automatically mean better — it means different. A blade you can deploy quickly and handle confidently is more useful than one that's technically more capable but takes longer to access. Know your tool and practice with it before you rely on it.
Finally, price and portability are genuine considerations here. All four options in our knives category are priced under $10, which means there's no barrier to keeping one in your bag, one in a travel kit, and one at your desk. These are designed to be accessible. Buy what fits your life, carry it consistently, and always verify what's legal in your state, county, and city before you put one in your pocket.
Frequently Asked Questions About Disguised Knives
Are disguised knives legal to carry?
It depends entirely on where you are. Knife laws vary by state, county, and city — and some jurisdictions have specific rules about concealed blades, blade length, or knives that are disguised as other objects. I can't give you legal advice, and I won't pretend to. Before you carry any knife, including a disguised one, look up the laws for your specific location. When in doubt, check with a local attorney or your city's municipal code directly.
Can I carry a disguised knife on an airplane?
No. TSA prohibits all knives in carry-on baggage, regardless of blade length or how the knife is disguised. A credit card knife, a comb knife, a pen knife — none of them pass through security. If you're flying, pack them in checked luggage and verify that the airline and destination also permit it. Don't risk it. The rules here are clear and the consequences aren't worth it.
How do disguised knives work — do they lock open?
It varies by design. The credit card knife folds out and the blade is accessed by unfolding the card into shape. The comb and brush knives typically have the blade concealed inside the body, pulling free when needed. The pen knife deploys from the pen casing. Most of these are not locking-blade designs in the traditional sense — they're designed for concealment and access, not heavy-duty cutting tasks. Handle each one and understand its deployment before you depend on it.
Who are disguised knives actually designed for?
Anyone who wants a blade on them without it being obvious — travelers who want a utility tool in a hotel or on the road, everyday carry enthusiasts who prefer a low-profile option, people in professional settings where a traditional folding knife might draw unwanted attention, or anyone who wants a backup option that blends into their normal gear. They're not a replacement for situational awareness, but they give you something when you need it.
Do I need to do anything to maintain a disguised knife?
Keep the blade clean and dry. If it's a metal blade — like the comb knife — wipe it down occasionally and make sure it's not sitting in moisture. Check that the blade deploys smoothly every so often, especially if you're carrying it daily. A blade that sticks or doesn't deploy cleanly in a stressful moment isn't serving you. Basic maintenance takes two minutes and keeps the tool ready when you actually need it.
Ready to Find the Right Disguised Knife for Your Carry?
Pick the one that fits your routine — the Plastic Brush Knife if you carry a brush, the Credit Card Knife if your wallet is always on you — and browse the full knives category at HerGuarded to see everything we carry. Check your local laws, choose what fits your life, and carry it consistently. That's the whole plan.