Knuckledusters are often associated with violence and illegal activities. Due to their negative connotations, it is important to know some alternative names for them. Some of the most common synonyms for "knuckledusters" include brass knuckles, knuckle dusters, knucklebusters, and knux. Other similar terms include knuckle bones, punching knuckles, fist irons, and brass monkeys. While these words may not be as commonly used as "knuckledusters", they can be useful when discussing this topic in a more sensitive or professional setting. Remember to always use caution and good judgment when discussing this or any potentially controversial topic.