cross light by Just a student from china
designer's own words:
Cross light is a light that can give you a brand new way to use it. It has a simple shape and can be changing.
Cross light can be used in both single mode or combination mode. There is a reel system in the top part of the light.And there’re some magnets in its lifting rope. All these make the light can change its shape and lighting range.
Turn on the light you can change it angle. Turn it off ,it can be an adornment to your house.
Cross light is a light that can give you a brand new way to use it. It has a simple shape and can be changing. Turn on the light you can change it angle. Turn it off ,it can be an adornment to your house. 
CROSS LIGHT can be used in both single mode or combination mode. The light angle can be adjusted too. 
There are two rails and two reels inside the top parts of the light.They make sure that the light can move easily as you wish. 1. Initial state 2. Pull the light down and the hooks get closer. 3. Adjust the light angle by adjusting the string. 4. Hold the light and twist it.The string get crossed and the light hold stable. 
Structural elements (diagram from top to bottom) : Metal Case. Magnet (fixing the light when it crossing). Switch. Silicone rope.