An AU where the quincy race has actual bird like wings the color of their reiatsu.
And when quincy were more widespread they didn't hide their wings but as their population dwindled they were forced to either hide or cut them off.
Quincy like Ryuken cutting them off while Uryu hid them, only ever allowing them out in private.
Idk the idea just popped into my head and wouldn't leave me alone.