An independent friction joint structure including: at least one plug part having a connection to a device, the device comprising a lamp head; at least one joint part holding the at least one plug part in place, the at least one joint part having at least one holding structure; at least one side part having the ability to generate frictional rotational resistance to keep the at least one plug part in a predetermined position; at least one electrical contact between the at least one side part and the at least one holding structure of the at least one joint part; and at least one screw to fit all the components of the independent friction joint structure together.