Comment 10 for bug 691380

> Not for me... I'd really like to know how to do this.

Do you ever read the responses you get? I've pointed you to the respective keyboard shortcuts when the tab bar is hidden 10 days ago already in your thread, http://forums.mozillazine.org/viewtopic.php?f=30&t=1924589 (and as
you confirmed that it worked, I assume you also read and tried it).