They were acquainted with winter mountains to some extent and used their original cold protection techniques such as ' rubbing red peppers on one's feet to make the temperature of the feet stable' 'wrapping water-resistant paper coated with oil around one's feet to prevent water from invading' ' tucking newspaper between underwear and clothes to make body temperature stable and shut out the cold air' 'wrapping water-resistant paper coated with oil around food (rice balls) to prevent them being frozen'.
彼等は冬山での行動にある程度習熟しており、「足に唐辛子を擦り付けて、足温を安定させる」「足に油紙を巻いて水分の浸入を防ぐ」「肌着と衣服の間に新聞紙を仕込んで、体温の安定化、寒気の遮断をする」「食料（握り飯）に油紙を巻いて凍結を防ぐ」等の独自の耐寒装備をしていた。