A dovetail joint is a series of overlapping, flared connectors that join two pieces of wood. The connectors are called tails and pins. When viewing the face of the board, the tails resemble a dove ...

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.