Everything you need to know to be an expert at hand luggage

Travellers should check before they board whether their hand luggage is within the airline's size and weight regulations. Photo: dpa/Tobias Hase

There's always one – that passenger at airport security with two bags, looking vexed because a member of staff has just told him that he can't go through to the gate because he has too much hand luggage.

The man now has three options. First, he can repack his belongings so that the smaller bag fits into the larger one – and making sure that it isn't too heavy. Not going to happen.