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Adjustable Finger Ring Blade Self-defense Ring Outdoor Security Defense Jewelry Tool Hand-stabbed Hidden Knife | Wish
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925 Silver Titanium Steel Self Defense Ring Invisiblemultifunctional Knife For Female Emergency Anti Wolfweapon Best Gift Lovers | Fruugo IL
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Razors Edge Handy Knife - 12-Pack - Utility Blade Ring Knife for Finger - Ring Size 15 -White - by Handy Twine Knife - Walmart.com
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2021 New Adjustable Finger Ring Blade Self-defense Ring Outdoor Security Defense Jewelry Tool Hand-stabbed Hidden Knife | Wish
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anybody know of any good folding knives with this kind of finger ring? looking to replace this one : r/knives
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