Brush Knife – Hidden 4-Inch Blade with Glass Breaker

Most knives announce themselves before you even unzip your bag. A clipped blade, a chunky handle, something that reads “weapon” at a glance. The Brush Knife works the opposite way — it sits in your purse, backpack, or glove box looking like a plain plastic hairbrush. Nobody gives it a second look. That’s exactly the point.

Who This Knife Is For

This is for the person who wants a concealed backup option but has no interest in explaining a visible blade in everyday settings. Students moving between classes and parking lots, people who travel frequently and want something low-profile in a carry bag, drivers who want an emergency glass-breaker option within reach — this fits those situations quietly. It’s not a primary defense tool. It’s the one you have when other options aren’t available, and it works because nobody knows it’s there.

Is It the Right Fit for You?

Choose It If You Want

• A concealed blade that won’t draw attention in everyday settings
• A lightweight, low-cost backup that fits a purse pocket or bag pouch
• A built-in glass breaker for vehicle emergencies
• Something that passes a casual visual inspection without raising questions

Consider Another Option If You Need

• A primary defense knife with a sturdy locking mechanism
• A longer blade for utility or outdoor tasks
• A one-hand-deploy folding knife for faster access

Brush Knife Features and Benefits

• Hidden 4-inch blade: Concealed inside the handle and out of sight until you need it — 4 inches of usable blade length in a package nobody recognizes as a knife
• Realistic brush exterior: The outer housing is a functional hairbrush, not a prop — it looks natural in any bag because it is a brush
• Glass breaker tip: The built-in skull crusher tip gives you a dedicated emergency exit tool if you’re ever trapped in a vehicle
• ABS plastic construction: Lightweight and durable at 6.25 inches overall, and the non-metal build won’t trigger standard metal detectors the way a traditional blade would
• Compact carry: Fits in a purse pocket, backpack pouch, or glove box without adding noticeable bulk or weight
• No maintenance required: No batteries, no charging, no moving parts beyond the blade itself — keep it clean and dry and it’s ready
• Available in three colors: Black, pink, and purple so it blends in with what you already carry

How the Brush Knife Compares

Here’s how this knife stacks up against two common alternatives by type.

Care and What’s Included

What’s in the Box

• Brush Knife with hidden 4-inch blade and glass breaker tip

Legal Notes

Knives are legal to own and carry in most US states, but blade length limits, concealed carry rules, and location restrictions vary by state, city, and venue. Check your local laws before buying or carrying this knife. Laws change, and knowing your local rules is your responsibility.

Brush Knife: Frequently Asked Questions

How long is the blade on the Brush Knife?

The Brush Knife has a 4-inch blade concealed inside the handle. The overall length of the knife is 6.25 inches. The blade is only visible when drawn — the rest of the time it’s completely hidden inside the brush housing.

Does the Brush Knife actually work as a hairbrush?

Yes. The exterior is a functional brush, not a decorative shell. That’s what makes it convincing in a purse or bag — it holds up to a casual glance or a quick feel because it genuinely is a brush. Keep the bristle side clean the same way you would any brush.

What does the glass breaker tip do on the Brush Knife?

The built-in tip — sometimes called a skull crusher — is hardened and shaped to shatter a car window with focused force. It’s a practical emergency tool if you’re ever trapped in a vehicle after an accident. No separate tool needed; it’s part of the design.

Will the Brush Knife set off a metal detector?

The handle and body are ABS plastic, which is the non-metal material used in the construction. Unlike a traditional steel-handled or stainless blade, it won’t trigger standard metal detectors the way a conventional knife typically would. That said, the blade itself is a blade — you are responsible for knowing where you can and cannot carry this.

Add This Knife to Your Everyday Carry

At $9.95, the Brush Knife is an easy addition to a bag you already carry every day. Choose your color — black, pink, or purple — and add it to your cart. It’s the backup that stays hidden until you actually need it.