Liquid K2, a type of synthetic cannabis that triggers erratic behavior when smoked, is currently being smuggled to inmates from the mail, sprayed on letters and pages of publications. This way of K2 is far more durable to detect than standard leafy K2 products which seem far more like marijuana. https://www.tumblr.com/factsabouteverythingseo/748651429729812480/strongest-k2-spray-on-paper-strongest-k2-spray?source=share