This combo includes Whitetail Herd in a Stick and the VS-1 Whitetail Stick. The Whitetail Herd in a Stick contains the scents and smells that Whitetail deer produce while in their bedding area, where deer feel most comfortable and not threatened. The VS-1 Stick is the only buck attractant that is vaginally extracted from individual does in the peak of their estrus cycle. Does are synchronized with hormones so they super-ovulate, resulting in a higher volume of pheromones. Each doe is then tested to ensure she is at the peak of her cycle.