You can transit bookmarks by Ctrl+s
This extension will solve your problem that it is troublesome to open bookmarks via bookmark bar with mouse operation.
Once you put your bookmarks into transit-bkmks folder (which is made automatically when you install), you can display them one after another even if you are at any pages.
Please enjoy your comfortable browsing.
FreeIcon:Free Shooting Star Icon 374479 | Download Shooting Star Icon - 374479
FreeImage:Dark Darkness Meteor · Free vector graphic on Pixabay
Don't hesitate to make issue or send pull request.