Lumintop FW3A-FW21 Pro Tactical Ring Finger Grip — Killzone Flashlights
Thyrm Switchback Large 2.0 Flashlight Ring (Black, Non-Dual Fuel Version) Finger Release Ring with Pocket Clip for Many 1-inch Diameter Lights - - Amazon.com
Vortex Optics Tactical 30mm Riflescope Ring — Medium Height [0.97 Inches | 24.6 mm] - Walmart.com