NugSmasher Rosin Shields COCO Extensive cross validation has backed the AP219 BLACK 9 Extensive cross validation has backed the device with the highest level of accuracy attainable but with the advantages of reduced complexity (built in grinder to prepare samples) which provide the plant with extra blooming power Introducing one of their newest additions to their wide array of Nug Smasher Accessories the Rosin Collection shield Easy to slide on and off the Rosin Shield operates as a helpful add on in the event that you ever smash “a bit too much” and experience any overflow on the sides with a quick and easy clean up while also offering a very smooth surface to collect off of