The Technical Pen Care & Maintenance DVD is something that will be invaluable if you want to persue my technique! I do not want you to purchase the pen and not know how to maintain it! So many people struggle with the tech pen and it is really easy to use and maintain if you know the secrets! Most people do not know that you can send your pen back to the company for replacement if you run into problems...no questions asked! How do you clean the pen? How long can you leave ink in the pen? What if the pen stops working during your project? I can help you, and these visual demonstrations are something you can refer to time and time again! I guarantee you will enjoy using this wonderful instrument and the knowledge about how the pen works will amaze you!