It's kinda funny to me that of all people Tenryuu doesn't have a specific name for "head-dealies."
EDIT: It seems in the last few strips with Kongo, hers are either retracted or detached as well.
hmm?Well then, excuse me.Umm... Kirishima-san...Your head-dealies... ain't they a little different from the norm?Hell yeah!!
So cool!!Oh my, that's no good.Shipgirls' Daily Life 44Author: Yuuji
Illustrator: Kouji