《幼学琼林·卷四·讼狱》
脚镣、手铐是用来拘捕犯人的刑具；在囚禁的犯人之中，怎么可能没有被冤枉的好人。
桎梏之设，乃拘罪人之具；缧绁之中，岂无贤者之冤。
Shackles and handcuffs are the instruments of torture used to arrest the criminals; among the imprisoned criminals, how could there be no innocent people wronged.