This month's special feature is ``Maintenance techniques for nurturing''. ". Maintenance is essential in order to use leather jackets, flight jackets, denim jackets, jeans, boots, bags, etc. for a long time. And ultimately, the important point is how to be conscious of ``aging in a cool way.'' So, we asked people who are known as aging experts in the American casual industry, which we love, to teach us how to grow our favorite items from scratch, how to think about them, and how to maintain them, and we also showed them various items that they have actually aged themselves.  In addition, for those who enjoy customizing vintage products so that they can be used for a long time, there are custom shops recommended by stylists, official brand repair shops for denim and outdoor goods, and specialty shops that carry parts necessary for repairs and customization. We introduce how to interact with your favorite items from various perspectives.