Given a travel related situation, and given a specific question about the situation, summarize the question into a title

[EX Q]: Our baby is too small to eat adult's food, so we bring our own baby food with us when we dine in a restaurant, which supplies us with a baby high chair.

I am wondering if it is rude to bring our own baby food into a Korean / Japanese restaurant in Australia?

[EX A]: Is it rude to bring our own baby food into a restaurant?

[EX Q]: I am planning to travel to the US on an Indian passport. My passport is overall in good condition, but with one defect: It cannot be properly scanned at the airports. So far, I have traveled quite a few times through China and Korea without any problems. But can this create problems for me while entering the US?

[EX A]: Travel to USA using a passport that does not scan properly

[EX Q]: I am traveling from the United States to the UK in a few days, and I will have a checked suitcase. My layover is in Frankfurt, Germany. Since my final stop is in the UK. Will I go through customs in Frankfurt or in the UK? Also, the two legs of my trip will be with the same airline.

[EX A]:
On a trip from US to UK with a layover in Germany, at which point of my journey will I go through customs?