[header] How to secure your luggage for a flight [title] Find out what you can pack. [step] Airlines post their restrictions online, so you should be able to check them easily. Avoid packing inappropriate or disallowed items, as that will prevent you from having to open your bag and remove them in the airport. 
This will weaken your other security steps, making your bag more vulnerable. [title] Consider buying a hard-sided suitcase.