Macintosh HD / Users / YOU / Library / Safari / Bookmarks.plist
or
Safari > Menu Bar > Bookmarks > Show All Bookmarks > Bookmarks Bar or Menu > CMD+A > CMD+BACKSPACE
Depends on how quick the user is clicking eight or four times. I can do that in less than ten seconds, and if that is not quick enough, then there is a serious problem with the Flux capacitor.