The difference is that (almost) no one ever says "naked hands." It would be understood, but it sounds very strange. No logical reason -- it's just not the way we say it.
COCA:2008:FIC Bk:StrangersTouch it. // In a few hours, she could hold the brooch in her naked hands and know everything-use every drop of her intuitive sixth sense to absorb what her... 2 COCA:2008:FIC Bk:StrangersTouch his lies. I thought I loved Brice, but he was using me-rather my naked hands-to scam money, then calling me a freak' to his friends.... 3 COCA: