This is the smell dominant bull elk have been waiting for! Wildlife Research&';s Golden EstrusA(R) Elk Scent is the Gold StandardA(R) of sexual attractors for elk. It is made with fresh and extra premium cow elk urine with in-heat secretions. Use with caution. Fresh and extra premium cow elk estrus type scent Highly effective during the rut and when bugling The smell of a cow in heat will drive bulls wild The Gold StandardA(R) - Look for the Gold Cap! 1 fl. oz. bottle