Follow QI on Twitter ▶ http://twitter.com/qikipedia Follow QI on Facebook ▶ http://facebook.com/officialQI Follow QI on Instagram ▶ http://instagram.com/theqielves Subscribe on YouTube ▶ http://youtube.com/theqielves For more visit ▶ http://qi.com This clip is from QI Series N, Episode 7, 'Naked Truth' with Sandi Toksvig, Alan Davies, Lolly Adefope, Lee Mack and Richard Osman.