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No, a hammer isn’t allowed in carry-on bags; pack it in checked luggage with the head wrapped and the handle secured.

Yes, most manual knife sharpeners and whetstones are allowed in carry-on or checked; models with blades should ride in checked bags.

Yes — a Geek Bar can go in your carry-on only; keep it off in a case, never in checked baggage, and don’t vape or charge it on board.

Yes, you can bring a gift on a plane, but wrapped boxes may be opened and liquid or battery items must follow TSA and FAA rules.

Yes—electric heating pads can go in checked luggage, but gel pads belong in checked bags and spare lithium batteries stay in carry-ons.

Yes, gel ice packs are allowed in carry-ons if frozen solid; if slushy they must meet the 3-1-1 rule or be for medical or infant cooling.

Yes — gaming consoles are allowed on planes; pack them in carry-on, remove for screening, and keep spare lithium batteries out of checked bags.

Yes, you can bring a handheld GPS in carry-on bags; keep spare lithium batteries in your carry-on and follow crew instructions during flight.

Yes, disposable and cartridge razors are allowed in carry-on; safety-razor blades go in checked bags and shaving creams must follow the 3-1-1 rule.

Yes—checked only. In the U.S., unloaded guns must ride in a locked hard case inside checked bags, declared at the counter; never in carry-on.