Pin Unpin Tab 1.0 No Restart
Pin or unpin current tab through new, cooler ways:
1. Customizable keyboard shortcut. Default is Alt-P
2. Firefox Developer Command line -> 'pintab' & 'unpintab'
UPDATE: Commands don't work anymore. They are disabled from version 1.0.
This add-on is not compatible with your version of Firefox because of the following: