Manacles vs. Shackles — What's the Difference?

Manacles are designed specifically for the wrists or hands to restrict arm movements, commonly used in law enforcement and historical imprisonment contexts. They can be made from various materials, including metal, and often consist of two cuffs connected by a chain or bar. On the other hand, shackles are used to bind the ankles or feet, limiting leg movement and making walking difficult or slow. Like manacles, shackles can be made of metal and feature a locking mechanism.

The primary purpose of both manacles and shackles is to impede mobility and prevent escape. Manacles focus on restricting the use of hands, making it difficult for an individual to perform tasks or use force effectively. Shackles, by restricting the feet, primarily limit an individual's ability to walk or run. While both are forms of physical restraint, the choice between manacles and shackles or the use of both depends on the specific need to limit hand or foot movement.

In historical contexts, manacles and shackles were often used together to severely restrict prisoners' movements. Today, these restraints are subject to strict legal and ethical guidelines regarding their use. Manacles, given their restriction on hand movements, are commonly used in situations requiring the secure transport of a detainee. Shackles, with their focus on limiting leg mobility, may be used in circumstances where there is a higher risk of escape or when transporting prisoners over longer distances.

The terms "manacles" and "shackles" can also be used metaphorically to describe constraints or limitations on freedom and ability. In literature and speech, manacles might symbolize constraints on actions or capabilities, whereas shackles might represent limitations on progress or movement more broadly.