empty nitrous oxide cannisters reflecting psychedelic colours, used as a legal high

agent also as but cannisters cartridge charger chargers close closeup colourful colours containing cream cylinder cylinders dispenser drug drugs empty for gas hallucinate hallucination high highs illegal inhale johnson laughing legal london metal name nang nitrous nonflammable nossy nozzle oxide oxidize platform pressure psychedelic puff recreational reflecting reflection roundel showing soda southwark station steel stream texture tfl underground used whipped whippet whipping whippit whippits