Joints form where one bone connects to another bone, allowing the skeleton to move. While there are several different types of joints that differ in structure and the way they move, hinge joints ...

The elbow and knee joints are both hinge joints. A hinge joint is a type of synovial joint that works like the hinge on a door, allowing bending and straightening only. The shoulder and hip joints ...

This classic box features box joints (also called finger joints) and a sliding lid complete with engraved and branded lid. Makes for a great woodworking project you can sell at craft fairs.