***WARNING: ELECTRIC SHOCK HAZARD, and be VERY VERY CAREFUL when using fire!***
Step 1: Take appart camera
Step 2: Make the opening
But befor you do anything mark where the grey gear is.
1. you can drill/stap a hole in the back of the casing to spin the gear.
2. you can do what i did and burn then cut the exces off
Step 3: Battery
Step 4: Finished
PS. i havent tried putting another roll of film in it yet but im pretty confidant it will work (try it if you want and post as coment if you do)
I put a video of what you do after you re-assemble the camera