We unbox, set-up and review DarkLab Vertix Cartridges and talk you through their features. Available to order here: http://bit.ly/darklab-vertix-cartridges-video-review DarkLab's Vertix Needles are some of the most advanced tattoo cartridges available. Specially engineered to answer the needs of the most demanding tattoo artists, the DarkLab Vertix cartridges have unique features that can't be found with any other cartridge brand on the market. The tips are transparent and detachable to give you