no add-on support :( Rated 1 out of 5 stars

How do we get help, it seems only :( https://addons.mozilla.org/en-US/firefox/addon/ua-site-switch/reviews/add states "See the support section to find out where to get assistance for this add-on."https://addons.mozilla.org/en-US/firefox/addon/ua-site-switch/#support though there's no support info there, so what do we do now? I clicked X to remove helmet (line wasted, please put in tools) now I can't get it back even after un & re-install. HELP!

This review is for a previous version of the add-on (0.8). 

How to show the Firefox «add-on» bar again

Hello. The bar you closed is not specific to «ua-site-switch», but is a feature of Firefox. You can display it again by:
- doing a right-click on the Firefox menu at the top of the window
- check the menu item «Add-on bar» (the name can be different in languages other than English)

Thank you for the suggestion about adding an entry in the menu «tools». As I have many icons in the «Add-on bar», it does not bother me, but it may be useful to many users. If I find the time (I created it as a hobby), I will add it.
I would be nice if you could change the rating of this add-on if it was the only thing that bothered you. Thank you for the feedback! Any idea or critic is welcome.