Russian volume means fluff, and lots of it. This is the only technique that can achieve this kind of look. In short, we attach multiple lashes to one of your own by hand creating a fan (they are not pre-made). However, we look at your own lashes to determine how many lashes in a fan are possible. If your lashes are very fine and short, then 2D (two lashes within a fan) are recommended. If your own lashes are long and thick, then you opt for fuller fans (4D+) if you want. However, its' not just about what your own lashes can handle, it also depends on the look that you want to achieve. Russian volume doesn't always mean they have to be 'full and thick'. They can look as natural as your own lashes, just a little more enhanced.