With UV Knot Sense you can smooth and strengthen your newly tied knots immediately. After application, it dries instantly with Loon"s UV Mini Lamp, UV Power Light or with direct sunlight. Also works great for repairing damaged flies and completing household projects.Ideal for coating knots for strengthSmoothes knots to easily slide through guidesCures soft and pliableInstantly cures with sunlight or UV lightQuickly repairs damaged flies