Video https: //v.youku.com/v_show/id_XNDQyMjQ0NjI3Ng==.html This issue is a material taken a year ago on the production process of a customized small bag. It is a pity that it has been left unused, so I took it out and edited it to make a display for the next issue. Everyone’s vegetable tanned leather dyeing Taobao shop: Leatherworker Lao Wang