《明史·志·卷六十九》
第二类刑图有七种刑具：笞，杖，讯杖，枷，扭，索和镰铐。
次图七：曰笞，曰杖，曰讯杖，曰枷，曰杻，曰索，曰鐐。
There are seven types of torture tools in the second category of punishment: whipping, stick, interrogation stick, shackles, twisting, rope and fetters. 