As you can see in the video embedded below, the resulting jig is easy to use and ... or want to use thicker wood. While this jig will make cutting ordinary dovetail joints a lot easier, you ...

While the hammer joint seems mainly aimed at birch plywood, [Jiskar] mentions testing it in other materials, such as bamboo, MDF, and even acrylic, although wood seems to be the best application.

Wood joints are a traditional method of joining timber. There are a range of different joints that can be used for different situations that provide a variety of levels of strength and structure.