What is that thing doing in her hair?
Dog semen.
That's the seal suppressing her inner chuuni.
You know how Ika Musume is actually the hat/tentacles which possessed and reanimated a corpse? Similarly, Shinka is actually the hairclip.
It's keeping her autism in. /a/ only likes her cause she's autistic.
>>153191939
Mori Summer wore it so she's wearing it as well.