Ring Knife Multi-Functional Outdoor Self-Defense Ring Is Durable

4 Pack Self-Defense Folding Knife With Key Ring Easy To Everyday Carry, Outdoor Survival Stainless Steel Pocket Knife (Black) : Tools & Home Improvement

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Cold Steel FGX Ring Dagger, 3 1/2, Black : Sports & Outdoors

The SKF3T is a titanium ring used for self-defense and as a bottle opener. Equipped with a tungsten steel strike point gets you prepared when in an emergency.

MecArmy SKF3T Titanium Tactical Ring and Bottle Opener Large (22mm) / No

Which type of knife is best for self-defense, Balisong, Swiss Army knife, auto, assisted, or gravity knife? - Quora

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Multifunctional Steel Self Defense Ring Camera Outdoor With Knife Invisible, Anti Wolf Weapon For Women/Men Perfect Emergency Gift 210701 From Yizhan02, $35.56

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Ring Knife Multi-Functional Outdoor Self-Defense Ring Is Durable And E – Self Defense Rings

New Adjustable 925 Silver and Alloy Self-defense Ring Hidden Portable Blade Knife Ring Outdoor Travel Finger Ring For Emergency

The SKF3T is a titanium ring used for self-defense and as a bottle opener. Equipped with a tungsten steel strike point gets you prepared when in an emergency.

MecArmy SKF3T Titanium Tactical Ring and Bottle Opener Large (22mm) / No

Self Defense Micro Knife Ring