In 2005, the TSA changed its policies to allow passengers to carry on airplanes small scissors, knitting needles, tweezers, nail clippers and up to four books of matches.
Communal showers, changing-rooms and saunas are perfect breeding-grounds for the highly infectious fungi that spread foot and nail infection: up to 1, 500 fungally infected skin fragments per square metre have been found in some leisure facilities.
