However, a defense way referred to as midokoro-kakushi (or midokoro-yoke) to guard the men, kote and migi-do was widespread for a period of time, and thus hidari-do has also been used.
しかし、一時期、面、小手、右胴を隠す三所隠し(または三所よけ)と呼ばれる守り方が横行したため、左胴も用いられるようになった。