AVGN in “Unfinished Business”

If even a single pixel of your body comes in contact with any of these walls, it sends you back into the trap. But still, where do you go? You're supposed to touch this one spot on the wall which leads you to the next room. Well, after knowing that you can't touch anything else in the room, why the fuck would you even consider trying to go through the wall?! Is there ever such a thing as a door?!