If, when Pirates of Penzance (or whoever used it first and made the meme spread) first came out, horizontal stripes were already in use by inmates, the costume-designers would've used vertical so as to differentiate. :)
Maybe.
And horizontal for inmates so the guards could play tic-tac-toe through the bars? I dunno. :)
theory:
Date: 2008-03-10 05:02 pm (UTC)Maybe.
And horizontal for inmates so the guards could play tic-tac-toe through the bars? I dunno. :)