If so, pre-rolls will really see a major spike in sales, and SIGO is producing them. When it comes to THC, I personally prefer it the old fashioned way. I love the aroma and flavor, so a pipe or a joint is best. Eventually they'll determine which carriers are safe and which are not, and then strict regulations will have to be imposed before the vaping option is truly a safe one. For starters, it's imperative that they determine what caused the known cases.