These items can be used as part of the shelter boundary, keeping out hostile creatures while allowing—when in an open state—dwarfs and other semi- or non-hostile creatures to freely pass through.
Goblins and cave goblins are exceptions: eventhough they're hostile, they can pass through open doors and hatches.
Pages in category "Shelter entryways"
The following 5 pages are in this category, out of 5 total.