It connects 2 shapes together using more than 1 rotating joint, with very small space between them, making a connection that is completely unbreakable; much like a fixated joint. This is due to the geometric rule that says that through 2 points, only 1 line can be drawn. However, because the joints are able to move out of place when enough force is applied, there will be a small space where the 2 shapes can move. This causes the “Jelly Effect”. As a rule, when shapes are connected with more joints, they are more difficult to break.