Schutzhund Dog Tracking Equipment , K9 Dog Tracking Equipment & Tracking Harnesses and Long Lines. Tracking dogs require specialized training and equipment to do their jobs more efficiently. Prodogz offers tracking equipment for all your tracking dogs needs. Prodogz carries Long Lines, Tracking Articles, Tracking Harnesses and much much more. If you are training your dog to detect drugs, we also have specialized tracking equipment to help your dog become proficient in scent detection.