You would need to introduce the scent to the scenario first. The scent you can buy simulates the scent on the base of the antler when it falls off. Put some on an antler she chews and make your dog look for it. The dog will catch on pretty quickly if they like to retrieve/fetch. Once the scent portion is down get her used to looking for the antler by sight. Place some in an open field then start covering portions of them. Bring the dog to the spot you already hid them and she will try to find by scent and sight. Dont forget where you put them in case she doesn't find them.