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Solid sandwiches are allowed through TSA security in carry-on bags, but spreads and sauces must follow the 3.4-ounce liquids rule.

Yes, you can bring a sandwich on a plane in your carry-on bag as long as it is a solid food and any spreads comply with the 3.4-ounce liquid rule.

Yes, you can bring powdered laxatives through TSA. Over 12 ounces in carry-on may need extra screening and could be denied if not cleared.

Yes, you can bring shoes in a carry-on bag — the TSA explicitly lists footwear as permitted in both carry-on and checked luggage with no stated.

Yes, you can bring a razor on a plane, but the rules depend entirely on the type — disposable and cartridge razors are allowed in carry-on bags.

Yes, you can bring powder in a carry-on, but containers larger than 12 ounces (350 mL) must be placed in a separate bin for X-ray screening.

Yes, but the rules depend on the type. Shoe spikes are prohibited in carry-on bags and must go in checked luggage.

Yes, potato chips are a solid food item under TSA rules, so you can bring them in both carry-on and checked bags without volume restrictions.

Yes, disposable and cartridge razors are permitted in carry-on bags. Safety razor blades and straight razors must be packed in checked luggage.

No, you generally cannot bring nitrite poppers in your carry-on. The TSA and FAA classify them as flammable liquids.