This Phillies vendor prefers to carry her popcorn crate on her head
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If you're a vendor at a Major League ballpark -- walking up stairs and through narrow aisles (all whie trying to avoid getting hit in unfortunate places by baseballs) -- the best place to carry your pack is probably around your waist. Maybe with a strap or two to lighten the burden on your arms.
... OR ...
You can be like this Citizens Bank Park vendor during Thursday's Marlins-Phillies game, and just carry your food crate atop your head:
So not only did fans get to watch a baseball game, but they were also treated to the greatest popcorn vendor show on earth.