Guide

Yes — you can check a massage gun if its lithium battery is installed, the device is fully off, and all spare batteries travel in your carry-on.

Yes — a duffel bag can count as a carry-on when it fits your airline’s size limits and stows in the overhead bin or under the seat.

Yes — a guitar can be a carry-on on American Airlines if it fits safely in the overhead bin or under the seat and space is available when you board.

Yes — a guitar can be carried on a flight if it fits in the overhead or under-seat; you can also buy a seat, or check it in a hard

Yes, a laptop can go in checked luggage, but rules favor carry-on; if checked, switch it off, protect it, and keep spare batteries in your cabin bag.

Yes, a hairdryer can go in checked luggage; TSA lists hair dryers as allowed in both carry-on and checked bags.

Yes, a Dyson Airwrap can go through TSA in carry-on or checked bags, since it’s a corded hair tool; pack liquids and aerosols to 3-1-1.

Yes, a makeup bag can ride in your carry-on, as long as any liquids, gels, creams, and pastes follow the 3-1-1 rule and sharp tools meet size limits.

Yes, a standard hair dryer can go in a carry-on; TSA allows it in cabin and checked bags, with extra rules for cordless or battery models.

No, an airliner door can’t open mid-flight—the pressure gap and plug-type design keep it sealed until the cabin is depressurized.