Razor Blade Ring With Knife - Self Defense Spike Ring With Hidden Blade Survival Ring Self Defense Jewelry For Women Self Defense Accessories Wrap

Ring Butchers Twine Knife

Multifunctional Outdoor Finger Ring Knife For Camping - Temu

Mini Ring Knife Utility Stainless Steel Outdoor Survival Pocket

The Knife Ring

Knife Edge Engagement Ring Cushion Cut Solitaire Moissanite Ring

The Original Handy Safety Knife - Utility Ring Knife for Finger with Sharp, Curved Blade - Ring Size 13 - Lime - Standard Blade - Dozen - by Handy

Knife Edge Antique Old European Cut Diamond Vintage Inspired Engagement Ring

Toor Knives Serpent Fixed Blade Knife 3.75 CPM-3V Black Oxide Tanto, Carbon Black G10 Handles with Pinky Ring, Black FlexTech Kydex Sheath - KnifeCenter - Serpent Carbon

Adjustable Finger Ring Blade Self-defense Ring Outdoor Security Defense Jewelry Tool Hand-stabbed Hidden Knife

LARATH 15 Pieces Finger Knife Ring Plastic Quilting Thread Cutter Thimble Sewing Accessories Handcraft DIY Tool with Blade for Cutting Yarn, Fishing