The WW1 British Gas Rattle is an artifact of immense historical significance, used extensively by British troops during the First World War. Manufactured primarily from wood and metal, it produced a distinctive, loud, clattering noise when rotated rapidly. The rattle was used as an early warning device for the presence of poisonous gas on the battlefield. On hearing the unmistakable sound, soldiers would immediately don their gas masks, offering them a chance of survival in a gas attack. This rudimentary yet effective tool served as a vital lifeline in the treacherous conditions of trench warfare. Today, these rattles stand as symbolic relics of the war, offering a poignant reminder of the harsh realities faced by soldiers on the front line.