These are medieval documents, these Office of Legal Counsel memos. And not just in the sense that torture techniques like the waterboard date back to medieval
“„No apparent increase in susceptibility to severe pain has been observed either when techniques are used sequentially or simultaneously — for example, when an insult slap is simultaneously combined with water dousing or a kneeling stress position, or when wall standing is simultaneously combined with an abdominal slap and water dousing.