Yanagiba is a very worthy investment if you buy from a good maker. Doc already posted a few good names. I can add Aritsugu, Watanabe, Takeda, Moritaka and there's many more. Few
Yanagiba reviews.
As for the sharpening them, shinogi line is not the same angle as the bevel angle. And you should try to keep bevel angle.
Burr does form on Yabagibas and on Japanese knives it's pretty stubborn.
Backside of the Yanagibas and in general single bevel knives is called Urasuki, and it is indeed concave, helps with cutting and also with sharpening.
However, sharpening Yanagibas or any single bevel knife with Urasuki for that matter does happen from BOTH sides. Just urasuki needs less strokes, around 1:3 or 1:4, mainly to get rid of the burr.
Japanese Knife Anatomy illustrated.
Japanese knife terminology.
Japanese Kitchen Knife Types.
And finally, Sujihiki might be a better option to get started, it's double ground blade, so there will be no learning curve and it's designed for meat slicing/cleaning.
Around a year ago I was researching Sujihikis too and strangely enough most of the makers leave it rather soft, around 60HRC, even when the same makers take their Yanagibas all the way to 65HRC.
Watanabe on the other hand makes them same hardness, Aogami 1 steel, 63-65HRC. I got two from him and never had a problem with chipping.
Watanabe Sujihikis.