There are several fixed methods for the lamp shade
There are also some lampshades that live on the light body with a variety of locking QQ Other: the explosive screw is fixed chassis, not fixed lamp shade
The lampshade of circular bread lamp is mostly to have a thread, to the positive chassis rotation is ok
The lampshade of acrylic is flexible, can be squeezed in and put forward again. Glass is usually locked in a number of nuts and bolts
