They forced the victim to sit upright with legs folded atop a triangular woodcut, and shake his body back and forth after placing 30-kilogram flat stones 30 centimeters wide, a meter long and 10 centimeters thick onto his lap, piled up one by one.
三角の割木を並べた上に容疑者を正座させ、幅30cm、長さ1m、厚さ10cm余、重さにして30kgの平たい石をひざの上に一枚ずつ重ね、体を前後に揺さぶる。