A user writes:
"At first was going to rate it as zero stars, then I found that all I had to do was slide the tab-bar down. If anyone else is having problems, just move your mouse over the top of the tab bar & you will see the double-ended arrow to grab & drag the tab-bar down."
To use a toolbar button for opening the panel, just right-click a toolbar, select Customize, and drag the "Traction" button from the opened palette.
You may want to ensure the option in Tools/Options/Tabs is set to open links in new tabs instead of in new windows. To bring back "runaway" tabs, Firefox's ability to have "address" icons and tabs dragged between tab bars in different windows can be used.
Displaying the panel elsewhere in the window and remembering its contents are things I haven't been enthusiastic about for over a year and a half now ;-)
Hold down Ctrl while clicking a link to open a new tab.