A London commuter dared to navigate the famously grimy Underground completely barefoot, only to instantly regret this questionable footwear decision. Urban adventurers, beware: London’s transport system is no place for naked toes, as even socks stand little chance.

From mysterious sticky patches at Oxford Circus to the suspiciously warm liquids of the Northern Line, our London commuter goes barefoot on Tube escapade quickly devolved into a sensory nightmare. Bitten by both chilly breezes and stranger stares, lesson learned the hard way.