How to double expose film on a Nikon N75?

I do have access to a darkroom, so I could just layer my negatives over each other--but I'd like to learn how to double, triple, etc.expose the film on my Nikon N75 camera. (If possible.)

I haven't been able to quite make sense of how to do it with the manual of the camera, so I was hoping someone on here might know how to do it. If you know how, please enlighten me! It would be much appreciated.

Added (1). Ah, well it would make sense that I didn't understand, because I was looking in the wrong place. I was looking at trying to rewind the film, on page 78. Guess I'm not the brightest.

Thank you for your help! I think I understand it now!

Page 69 and 70 doesn't do it for you, huh?

You can always run the film through the camera two or three times, adjusting your exposure as outlined on Page 70