Rosin made from hash, or hash rosin, is considered by many to be one of the purest forms of cannabis concentrate. Cannabis rosin is made by combining high heat and immense pressure. Terpene and cannabinoid-rich oil (resin) is forced out of cannabis plant material called trichomes using a rosin press. Wet P is a hybrid weed strain that is a phenotype of Original Glue, that emphasizes the characteristics of its Chocolate Diesel parent. This strain is 50% sativa and 50% indica.