I've Been working with doors lately and I have stumbledupon odoors but i don't know what they do. What can they be used for and what do they do exactly?

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They're toggle doors, and are tricky to use. The best way i've found to use them is to have a 3x3 Odoor and surround three sides of it with normal doors, with a trail of these doors leading somewhere for you to hit them to set the toggle.