Although the Whisker Biscuit will work perfectly in wet or freezing weather, some customers have voiced the need for a way to keep the biscuit dry for those late-season hunts, when the weather may turn from wet to icy cold. CAP listened. 'No Snow's' long-lasting formula even works on feather fletching! It will keep feathers from lying down no matter how long or how hard it rains. Yet 'No Snow' is gentle enough that it will not change the color of your feathers... or your favorite hat!!!