四十八手 唐竹割り
女は両脚を閉じてまっすぐ仰向けに横たわる。男は上半身を起こし、自分の太ももで女の脚を締めつけながら強い摩擦を楽しむ。別名、井筒組、または小股はさみ。
The woman lies on her back with her legs closed and stretched out straight. The man penetrates her from above, forcing his way. Also known as "Izutsugumi" (Well Curb) or "Komata Hasami" (Crotch Jam).