We now get to watch a new video review by Robo-Airsoft featuring the T. Rex Arms Kydex MARS and First Line Methodology... "On this edition of Robo-Reviews, I cover the TRex Arms Kydex MARS Mag Carrier. I provide an overview of the construction and features of the product, as well as provide a visual demonstration of the pros and cons of deploying a kydex retention system on your first line."