Cautionary advice on Rice pulling Scam some unscrupulous persons are marketing a device termed “Rice Puller” made up of copper/iridium. History and Uses: Rice Pulling Coins The power of coin is measured by its capacity to pull rice from distance say 4 or 8 inches. when rice and wheat grains. Swindlers' claims vary slightly but here's what is common – the rice-puller is an ancient artefact which made of copper and iridium and possesses.