I'm glad to find more info on covers! I hate the new official covers SO much. I don't know if I am allowed to post links, but here is the cover I used to have on my old Aura :
https://www.google.ca/search?q=kobo+...4yK8rs_Tgb5RM:
And it was THE BEST! Such good quality, well built. Now I just can't seem to find good/pretty covers for my H20 in Canada, except on Alliexpress, but the design are... questionnable !

And since it's a 6.8'' screen, it's even harder, because you can't look for universal 6'' covers. Huh !