Take your pick:
http://www.neckties.com/foldinginfo.htm
Or, following blackbird's link, a little R2-D2 sticking out of your top pocket would be quite stylish, I think.
http://www.neckties.com/foldinginfo.htm
Or, following blackbird's link, a little R2-D2 sticking out of your top pocket would be quite stylish, I think.