Sunan Ibn Majah The Chapters on Legal Punishments ibn Umar Ishaq bin Ja'far bin Muhammad إسحاق بن جعفر بن محمد Nafie' نافع مولى ابن عمر Y'aqub bin Hmyd bin Kasb يعقوب بن حميد بن كاسب المدني “I asked Fadalah bin Ubaid about hanging the hand (of the thief) from this neck, and he said: ‘It is sunnah. The messenger of Allah (ﷺ) cut off a man’s hand then hung it from his neck”’ https://parallelquran.com/hadith/sunan-ibn-majah-2323/