How to get the Noclip glitch in robot 64

Played by CJR. I cant bother to make a new account so im just going to stick to my first account.
This will show you how to:
Noclip through walls.
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One thing i forgot to mention is that dont go on the water or any places where it truly is out of bounds (map edges etc) or you will die falling into the void.
-- Good luck!