This so called 'impossible dovetail' is one of many joints that on the surface look like they can't possibly go together or come apart. Of course, once you see how it's done it all becomes a bit pedestrian; like magicians revealing how their tricks work.
[Today’s guests]
Welcome to #trainhostelhokutosei from all over the world! We enjoy talking with them and taking photos:) The guy who is from #Sweden have traveled more than 20 countries and show us many beautiful pictures! Tokyo is getting warm nowadays!