>>19045218>elaborate 'bottomless sandals' that cover parts of the feet but leave the sole largely exposedThey're called stirrups like the ones for horse riding.
Fellow thights appreciator Rosemi Lovelock [Nijisanji EN] spoke about stirrup leggings once, as in "why"
Sadly such legwear remains purely in the bedroom and is not very likely to be a commonly worn apparel.