Breakthrough Clean Technologies Smooth Cast Line Conditioner works to lubricate and extend the life of your fishing line while helping to improve casting distance. It lessens reel noises, reduces backlashes, and line memory. This conditioner is environmentally safe and odorless formula won’t build up over time and provides long-lasting lubrication on monofilament, braided, and even fly lines. It will even help eliminate icing on your lines and guides.