He does offer private lessons and more detailed courses/videos for sale and mentions this on his videos. So unless I am missing something, there are plenty of chances for Rintin to make money if someone goes to the link in his signature.ĭenis Zhdanov, among many others, has made a large number of sensationally good free instructional videos that he posts on his YT site. That link can also be joined for free, so it's not just things for sale.The link leads to a page where some things are free but, in addition, a membership that costs money is offered.