using them can still result in a felony charge. There are stats that have restrictions on selling and carrying such as Oklahoma, New Hampshire, and Massachusetts. It is completely illegal to own brass knuckles in District
... Carrying or attempting to use a slungshot is a felony in the states of California, Oklahoma, Massachusetts, and Michigan. Is Swiss Army Knife illegal UK? Knives. It's illegal to: ... carry a knife in public without good reason - unless it's a knife with a folding blade 3 inche...