I accidentally bent the top headband piece(don't know what they're called) on my ATH-M50x and now it won't fit on my head anymore. Basically sat on them by mistake and bent something. Feels like some thin metal or plastic piece within the foam is bent or broken(?) with no way to bend it back. How easy are they to fix/replace? My whole cans need a makeover anyways. These bad boys still sound good.