Enjoy brushing a layer of Rosin onto your joints or blunts to enhance the flavor and effects. Also a great way to help hash or kief adhere to your joint or blunt. Lineage: Chem's Sister X Sour Dubb X Chocolate Diesel Spicy chemical chocolate flavor with a heavily diesel exhale that turns slightly sweet the more that you toke. The aroma follows the same profile, although with a heavy peppery pungency to it, too.