Can you own too many Birks. Yes if have a pair of Noppyflex sandals. Instruments of pure foot torture as Birkenstock choose to use hard plastic for the foot bed unlike similar
Birkenstock's Blockbuster IPO: The History, From Barbie to Billions – Footwear News
Cleaning advice wanted! Super Noppy Sandals : r/Birkenstocks
Birkenstock White Noppy Women Summer Sandal Sz 37 L6M4 | eBay