"Oh!" Reira herself reaches back with one hand- for obvious reasons, those things couldn't so much be done up with the hair as...loosely tied like a 'ponytail'.

She eventually manages to catch the end and flip it over her shoulder, inspecting the end; it looks like the rounded end of some sort of flower, and on a normal one there would probably be filaments coming out.

"...I think they're real flowers?" They're flowers, yep.