Works Perfectly Rated 5 out of 5 stars

If you dont see it- Press Cntrl + /

A+ Addon.

This review is for a previous version of the add-on (0.2.1-signed). 

Add-on Bar

http://support.mozilla.org/en-US/kb/add-on-bar-quick-access-to-add-ons#w_how-do-i-show-or-hide-the-add-on-bar