Hi @SidV - the Flip Hair Aniso should be there in latest HT version 2, 0, 4 for blender 2.8, and the hotkey for menu is ctrl+shift +H (but it can be changed addon in preferences) . The video you watched may be old (for blender 2.79) and in past panel was on left.
About cloth sim for hair, after you convert curve ribbons, to mesh ribbons you can generate weight gradient on each strand with this tool https://joseconseco.github.io/HairToolDocs/Tools/#add-ribbon-weights_1
And then you can use it for cloth sim, but I think it may be slow on bug amount of hair. So I usually recommend watching this video (not HT specific)
Sorry for late reply