The late Jim Kingshott was a great enthusiast of all Japanese tools and he produced an excellent short video that is sufficient to teach the basic techniques. In it he used ordinary European tools as well as introducing others, including Japanese from his impressive collection.
I'm not sure if the Video is still available, but in my view it is sufficient to get anyone making passable dovetails.
But, the one thing that Jim always emphasised, and I suspect is the reason why so many people find difficulty cutting these joints, is that the tools, although basic must be very sharp.
For my money, the asymetrical finish is the reason why I make dovetails (and most other joints for that matter) by hand - no machine could do that.