After the second distillation process is completed, selected  "heart of  wine ", marked  with the potential for maturation, it moves  in the basement to age in new barrels, by hand  made  of excellent oak  selected in collaboration with the basement master and  a local cooper from the forests of Slavonia. Used oak trees  they are over a hundred years old, even before use  they are left in the open for two to three years, exposed to the weather, which leads to a natural process of removing unwanted substances from the wood before starting production.