Shindo takes a break from dealing with the anisotropic to go around with Tsukai, who wants to dissaude him from helping the anisotropic.  He meets her family, and travels on a boat with her.  She wants human dignity to be protected, and tells him that zaShunina is a threat to the universe that she loves.
It's called "kazari kanagu," 
metal fixture decorations.
"إنّها تدعى "كازاري كاناغو
.تجهيزات ديكور معدنيّة
Das sind Metallverzierungen.
Ce sont des ornements en métal.
Si chiama ferramenta ornamentale.
É uma decoração em metal.