Loon™ - UV Knot Sense**Loon UV Knot Sense** *A UV curing coating for knots* Loon UV Knot Sense allows you to smooth and strengthen newly tied knots instantly. After application, the coating cures immediately using Loons UV Nano Light, UV Bench Light, or direct sunlight for fast, dependable performance on the water. Perfect for reinforcing knots and creating a smooth finish that easily slides through rod guides, UV Knot Sense also works exceptionally well for repairing