We just learned about the Portcullis door that slides down.
Another type of castle door is the Yett.
This is a door made out of wrought iron bars, but it is on hinges and swings open and closed sideways like a normal door.
![yett](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Yett_at_St_Michaels_Burgh_by_Sands.jpg/640px-Yett_at_St_Michaels_Burgh_by_Sands.jpg)
![yett](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Yett_at_St_Cuthbert%27s_Church_Great_Salkeld.jpg/337px-Yett_at_St_Cuthbert%27s_Church_Great_Salkeld.jpg)
(from: wikipedia - yett)
Kid Facts - Blast from the past: Buda Castle