“Thyrm SwitchBack – EDC Ready, Costa Approved” review of SwitchBack Flashlight Ring at Gear Expert by Optics Planet on July 2, 2014:
“Until about a decade ago, the approved way to fire a pistol while wielding a light was extremely awkward. It meant taking one hand off the pistol and performing a myriad of maneuvers with an outstretched arm or crossing over your primary shooting arm. … The Switchback is a polymer collar that when installed on the correct flashlight, allows the shooter to use a flashlight in a modified but still extremely effective shooting grip. … It works with some of the best flashlights on the market.”