Here is a way to choose who will sit next to you on a crowded bus.
http://www.dailymail.co.uk/news/article-4059012/That-s-seat-Woman-plays-dentures-gum-clearing-passengers-her.html (http://www.dailymail.co.uk/news/article-4059012/That-s-seat-Woman-plays-dentures-gum-clearing-passengers-her.html)