UV Tracer Squirrel Dubbing Dubbing – The Squirrel Dubbing that everyone has been looking for is here! UV Tracer Squirrel Dubbing is dyed with a special UV dye, making every fiber explode with color. This includes all 3 natural colors. Squirrel is a favorite among tiers for its natural spike from guard hairs, and has found a perfect spot in our dubbing selection.