Today i saw someone with a pair of Sony XB700s that where really heavily damaged and had random stickers on them.
I also saw another pair that i didn't recognize, it had a similar cup shape to the NAD HP50 but with a circular silver adjustment slot (like whats on the HE-400, but silver).
looked kinda like this: http://ecx.images-amazon.com/images/I/41YXcrMz-KL._SY300_.jpg
HEADPHONE ABUSE SHALL STOP!!!!