FURUTAKA was severely tortured with his body hung upside down from the second floor, gosun-kugi (long nails) hammered into his insteps and Hyakume-rosoku candles placed on the nails penetrating his sole, so that ultimately he confessed.
二階から逆さ吊りにされ、足の甲から五寸釘を打たれ、それが突き抜けた足の裏の釘に百目蝋燭を立てられ火をつけられる過酷な拷問だったため、ついに古高も自白。