This Firefox add-on adds an "Open in Container Tab" menu item to bookmark menus to open bookmarks in a container tab.
https://addons.mozilla.org/firefox/addon/open-bookmark-in-container-tab/
This Firefox add-on adds an "Open in Container Tab" menu item to bookmark menus to open bookmarks in a container tab.
https://addons.mozilla.org/firefox/addon/open-bookmark-in-container-tab/