As the first and only Norwegian, he is a member of the worldwide organization Entente Internationale des Luthiers et Archetiers. In recent years, Jacob has taken out the essence of his entire experience and developed his own model for violin, viola and cello.
Jacob offer instrument cases from BAM France in the Nordic countries, and carries a large stock in the workshop in Oslo. Feel free to stop by to see the different models. The cases can also be purchased directly from the online store bamnorden.no .