In 2001, a guy named Richard Reid tried to light a bomb hidden in his shoe. Now we all pay the price. So yes, you’re unbuckling your sneakers because of one dude’s bad idea. Thanks, Richard.
“TSA” vs. “Customs” – What’s the Difference?
Customs checks what you’re bringing into a country. TSA checks what you’re bringing onto a plane inside the U.S. Think of it like this: Customs is for your souvenir cheese; TSA is for your pocket knife. Both will ruin your day if you’re not careful.
12 Obscure Items TSA allows you to pack in your suitcase | The Window Flyer