各タブの右クリックで表示されるメニュー内でも操作できたらボタン追加しなくて済むのにと思った。

Just discovered this add-on as I needed this function and wondered - hmm - is there an add-on for this? And yes, there was. Thank you, Asukaze. Some feedback:
(1) the icon is hard to see on dark background theme in Firefox
(2) when I lock a tab, the lock icon is not persistent - i'd like the lock icon to persist so I remember it is locked

This extension does lock a tab and a link that would otherwise open in the same tab opens in a new tab. Nice. But if you refresh the tab, the lock goes away. A more minor event is opening a link from a locked tab makes the lock icon on the tab disappear even though the tab is still locked.

Nevertheless, I will keep it installed as the best we've got so far. Just have to remember to re-lock every time I refresh a locked tab.

I also tried the autolock feature. Does work, but it puts three lock icons on the tab that also disappear as described before. And any opened links from the same domain open locked with three lock icons!

Four stars as this function is so sorely needed, IMO, and am grateful to you for doing what you have done thus far. Any chance for working with the issues I described? Thanks!

- It is well done within limits
- I still want to use tab protection.
- Sorry to be unlocked by reloading.

only need to add a configurable keyboard shortcut :)

While a tab is locked, whenever i click on a link, it used to open 2 tabs at the same time instead of 1 tab. Please fix it. Thanks