@gweanakjakarta the second or third episode of the first volume at the very end
that's it, that is the only meaningful conversation the two have had in over four years
^ Headrest, or something like that. The purpose being to preserve those fancy hairdos which required a fair bit of wax and hours of work by a specialist to create.
IIRC variations of the theme have been around since something like the Heian period court if not earlier?
Personally, I've always liked Maki x Rin. But shippers or not ... can we just stop and appreciate how feminine RIN looks in this piece of art! The usual tomboy is gone, instead we've got this gorgeous, absolutely stunning, short haired young woman!