[How to attach the cam nut joint pin] with this product. : Use the cam nut and the team joint bin as a set. Due to the special mounting method, the following mounting method cam nut Please read it carefully and perform the assembly work. joint pin [Joint Pin Attachment Diagram] The joint pins may be too shallow or too deep to break the catch and prevent the cam nut from being engaged In addition, the receiving part of the item sometimes sticks out from the main body.