Foldable self-defense ring – special offer today: 49% discount!

🔒 The 4-ring knuckle – legal, foldable, and always ready for action

Your pocket-sized self-defense backup

Strong. Compact. Legal. Designed for protection, built for durability.

💥 Always be one step ahead

Whether you're out alone at night, traveling, or just want a little extra security, the 4-Ring Knuckle has got you covered.
It's a foldable stainless steel self-defense tool that fits conveniently in your pocket and can be unfolded in seconds when needed.

⚙️ Why you'll love it:

✅ 100% legal to wear

Intelligently designed to comply with legal guidelines for self-defense tools in most US states. No permit required.

🧩 Collapsible. Jumps up.

Foldable and ultra-compact. Remains invisible until you need it—and is ready to use in seconds.

🛡️ Robust construction

Made from high-quality stainless steel for maximum durability. Rustproof. Shockproof. This thing is not a child's toy.

🖐️ Ergonomic handle

The four-ring design fits naturally in your hand, giving you a firm grip and better control when you need to act fast.

🔍 Who is it intended for?

-Women walking alone
-Runners and hikers
-Truck drivers and night shift workers
-Travelers
-Anyone who wants to feel a little safer

📏 Product details:

-Name: 4-ring knuckles (foldable, legal self-defense tool)
-Material: Stainless steel
-Foldable: Yes
-Color options: Silver / Matte black
-Included in delivery: 1 × 4-ring knuckle, 1 × storage bag, 1 × quick start guide

💼 Easy to transport

It fits in your pocket, purse, backpack, or glove compartment. No bulky devices. No extra weight.

OUR GUARANTEE

• 📦 Insured worldwide shipping: Every order includes real-time tracking information and insurance coverage in the unlikely event that a package is lost or stolen during transit.
• Money-back guarantee: If your items arrive damaged or become defective within 15 days under normal use, we will gladly send you a replacement or refund the purchase price.
• ✉️ 24/7 customer support: Our team of live agents is available 24 hours a day, 7 days a week to help you with any questions you may have.