Reserve Doe Estrous 26oz or Breeding Buck 26oz - 30 years in the making... Finest deer urine ever collected. Oxygen free from collection to bottle. Top Secret Reserve only collected 12,000 bottles for the 12 million deer hunters in America. This means that only 1/10th of 1% of hunters during the deer season will be able to get a bottle. “Reserve” is the finest doe estrous ever collected. It is sold on a “first come” basis by joining the 1/10th of 1% Club.