Dowels and biscuits are two common methods used in woodworking to join two pieces of wood together. While both methods involve inserting a small piece of material into a pre-cut hole, there are some differences between the two. Dowels are often used in furniture making because they provide a strong and durable joint. The dowels are glued into the holes and then trimmed flush with the surface of the wood. Biscuits, on the other hand, are oval-shaped pieces of compressed wood or plastic. They are inserted into a pre-cut slot in the two pieces of wood and then glued in place. Biscuits are commonly used in cabinet making and other woodworking applications where a strong joint is required, but the joint will not be visible once the project is completed.