The video that explains the basic technique is here: https://youtu.be/Vjn5BmhVF6M. It is in German, which I don’t speak, but it is so clearly demonstrated that I think I could follow it even if it were in Chinese.
The video that explains the basic technique is here: https://youtu.be/Vjn5BmhVF6M. It is in German, which I don’t speak, but it is so clearly demonstrated that I think I could follow it even if it were in Chinese.