Fodor's Travel Talk Forums - What things shouldn't I bring in carry-on luggage backpack?

Here's the official list as of last month, but I would still contact the airline or airport in case their rules are stricter. Please note that disposable safety razors are permitted. But leave the cattle prod at home! ITEMS PROHIBITED IN AIRCRAFT CABINS The following items will not be allowed through the security checkpoint. Please note that this list is not all-inclusive. In addition to items specifically listed here, other items that may be deemed to present a potential threat may also be prohibited. Ammunition Automatic weapons Axes Baseball bats BB guns Billy clubs Blackjacks Blasting caps Bows and arrows Box cutters Brass knuckles Bull whips Cattle prods Compressed air guns Corkscrews Cricket bats Crow bars Disabling chemicals or gases Dynamite Fire extinguishers Flare pistols Golf clubs Gun lighters Gunpowder Hammers Hand grenades Hatchets Hockey sticks Hunting knives Ice axe/Ice pick Knives (any length) Kubatons Large, heavy tools (such as wrenches, pliers, etc.) Mace Martial arts devices Meat cleavers Metal scissors with pointed tips Numchucks (nunchaku) Pellet guns Pen knives Pepper spray Pistols Plastic explosives Pool cues Portable power drills Portable power saws Razor blades (not in a cartridge) Religious knives Replica weapons Revolvers Rifles Road flares SCUBA knives Sabers Screwdrivers Shot guns Ski poles Spear guns Starter pistols Straight razors Stun guns/shocking devices Swords Tear gas Throwing stars Toy transformer robots (this toy forms a toy gun) Toy weapons Passengers should be aware that there are no provisions for returning banned items to them when they are left at the security checkpoint. In addition, those who attempt to bring banned items through the checkpoints are subject to civil penalties of up to $1,100 per violation in addition to criminal penalties. The items most commonly left at the checkpoints include: scissors (of all types), pocketknives, corkscrews, and mace. Please be sure to leave these items at home or in your check-in luggage. http://www.tsa.dot.gov/workingwithtsa/travel.shtm