user sj sanders via Flickr
The TSA is more concerned about planted bombs than plantar warts. Like any other type of gel, shoe cushions fall under the TSA's regulations—good luck finding inserts that weigh in under 3.4 ounces. Instead, invest in a pair of comfy travel shoes, or skirt the TSA's regulations by using plastic or memory-foam insoles instead. Wondering what else passes the TSA test? Take advantage of the agency's Can I Bring? online search engine to inquire about every kind of carry-on, from alcohol (3.4 ounces or less, please) to Zippos (one per guest).
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