I wonder if $800 dresses have the same hardware. But every dress I've zipped up in the back also had some kind of eye/hook fastening going on, too. No idea what

I wonder if $800 dresses have the same hardware. But every dress I've zipped up in the back also had some kind of eye/hook fastening going on, too. No idea what my GF's dresses cost though. She usually buys 2nd hand anyway...