第25手：こたつ隠れ
(こたつがくれ)
座り正常位の48手の１つ、「こたつ隠れ(こたつがくれ)」をイラスト付きで説明
こたつ隠れ
鏡茶臼 (男性女性対面に座してそれぞれ後ろ手をついて脚を絡める)をコタツの中で密やかに行おうというお遊び。
Underneath the Quilt(Kotatsugakure)
The man and woman sit face-to-face. They lean back and support themselves with their hands on the floor. Their legs are entwined so as to achieve full penetration. All this supposedly goes on underneath the quilt that covers the low table which contains a heater.