article_snippet: Similarly dangerous, a pair of cat-shaped brass knuckles were seized at Chicago's Midway International Airport.
article_snippet: While they may look like a key chain at first glance, these feline-inspired weapons can cause serious harm and are banned from bringing on board.
article_snippet: These cat-shaped brass knuckles must be checked into the hold in order to be transported .
article_snippet: And yet another animal-based smuggling attempt was made in the form of a knife concealed within a Scooby Doo greeting card, despite the fact that all knives are prohibited from carry-on bags.
article_snippet: A Scooby Doo greeting card was used by a crafty passenger to unsuccessfully conceal a knife .
article_snippet: Swords, though fine to check, cannot be brought on board an airplane as a carry-on item .
article_snippet: This Jack the Ripper-like sickle was seized from a passenger's bag because no blades are allowed on board .
article_snippet: Throwing stars, which are used in martial arts, are banned in some American states but not others .
article_snippet: From swords and a This Jack the Ripper-like sickle to throwing stars, all bladed objects are prohibited from carry-on bags - but that hasn't kept many passengers from attempting to transport many passengers through the security checkpoint.
article_snippet: But don't worry, even swords can be taken to your destination in a checked suitcase.