How to do double exposure of Nubian camera?

Double exposure refers to multiple exposures on the same negative. As early as the film SLR era, many photographers and photographers superimposed two or more light negatives through double exposure to achieve the purpose of increasing the illusory effect of the picture. After entering the digital age, it is easier to achieve double exposure. We can import the pictures into the computer, and then use image processing software to superimpose the pictures, so as to achieve the effect of double exposure. Repeated exposure on a negative film, the mysterious and indescribable visual effect is really powerful, adding a hint of mysterious beauty to obscurity.

Nubian cameras come with multiple exposures. Slide in the camera to the left, and there will be many small cameras. When you enter multiple exposures, there are many ways to play. thank you