Items prohibited from carry-on baggage by the Transportation Security Administration, as of June 2010:

• Meat cleavers
• Spear guns
• Sabers
• Hatchets
• Cattle prods
• Swords
• Brass knuckles
• Nunchakus
• Throwing stars
• Blasting caps
• Dynamite
• Hand grenades

And “snow globes … even with documentation.”