The North American Trapper Fox Plus Predator Lure features a urine/gland mixture that works as an additive or as a lure itself at all canine sets. This is a great blend that is a mixture of Fox Glands, Fox Urine and a small blend of other essential ingredients. Great for Coyote, Fox, Bobcat and more. FeaturesWorks as an additive or as a stand alone lureMixture contains fox glands, urine, and small blen of other essential ingredientsGreat for Coyote, Fox, Bobcat and more