For those of us who buy Twix candy bars, shop at Payless during their buy one get on free sale, and convert to Mormonism for the marital perks because we know two is better than one, comes the perfect new vaping product. Check out the new double barrel cartomizer. Load it up with two flavors or double it up for an even extra powerful hit. Show everyone else you aren't playing around with this awesome, yet possibly unnecessary device.