It was said that 'features of the technique invented by Soen' was 'while kamairicha (green tea processed by parching in a caldron) same as in Chine was the mainstream, steaming high quality tea leaves and drying them by crumpling them in 'hoiro' (a tool used for producing tea, etc.).'
「宗円が発明した技法の特徴」は「それまで中国のような釜炒り茶が主流な中、良質な茶葉を蒸して、「ほいろ」で揉み上げて乾燥せた」こととされる。