Branding and design work done for Pradco Outdoors. The Code Scent System is a line of science-driven products for hunters based on the fact that deer have poor eyesight, but an amazing sense of smell. CODE is an attractant line of scents, used to draw in deer by applying them on the ground and trees. DCODE is a scent elimination line you use on your body and gear to neutralize natural odors that deer detect.