That the frozen water bottle hack found fame on TikTok should come as little surprise. The app is filled with various tricks and tips aimed at helping fliers, while also highlighting various trends.

The 3-1-1 rule allows liquids, gels, and aerosols in containers smaller than 3.4 ounces, all packed into a single quart-sized bag. But a frozen bottle, fully solid, sidesteps that entirely.

That the frozen water bottle hack found fame on TikTok should come as little surprise. The app is filled with various tricks and tips aimed at helping fliers, while also highlighting various trends.