Here’s a fun video on the defenses of medieval castles. Basically, they were designed to be very difficult to take militarily.

Sadly, “medieval scalder” is a job that has been made obsolete by modern life, replaced by something like “ballistic missile launch technician”, which itself is soon to be replaced by Terminators. Chris Farley and Macauley Culkin, 1991. RIP Chris Farley. Macauley Culkin is 45.