Doe estrous fuels deer season. It's the reason for the rut. Use it to your advantage, shake Grave Digger Doe Estrous onto scrapes for a powerful message bucks can't miss. Every bottle of Grave Digger Doe Estrous contains soil impregnated with Code Blue's unique From One Deer to One Bottle® doe estrous formula. Treat a scrape, or mock scrape for up to 30 days of time-release buck enticement. Grave Digger Doe Estrous stays effective in freezing temps and is ATA certified.