This particular artefact was created, according to records between 1780-1804 and made of wrought iron. This artefact was used to shackle a slave’s wrists and depending on the situation, their ankles on the occasion of a slave being transported. The use of shackles and handcuffs in slave markets had always been one of the most shocking aspects of slavery throughout history. Slave shackles were common items used as early as the 15th century to chain slaves, either on the wrists, ankles or neck. Here are the 10 most gruesome ways slaves were punished by their master – They are really heartbreaking! 8. Since the enslaved people are nothing less than properties in the custody of their masters, they are treated in the most bizarre manners that have no human consideration attached. Slave trade is one of the social phenomena in history that is associated with the cruellest and dehumanizing treatments. The ancient Greeks, Romans, British, Portuguese, Spanish, Incas, Aztecs, and so on, were all involved in the slave trade in one form or the other. Slavery has been in existence throughout history, spreading through almost every culture, nationality and religion, from ancient times to the present day. Slavery refers to a condition in which individuals are owned by others who control the general conditions of their lives, including where they live, what they eat, their work, movements, etc.