Why drinks tip beside sideline chairs
Separate a narrow drink base from uneven ground, moving equipment and passing feet. Each calls for its own check.
A wide base still needs full support
A slope, grass clump or rocking table can change how a drink rests. Steadi’s wider footprint does not flatten the surface or bridge a gap. Look at the entire 5.2-inch contact area and choose another spot if any part is unsupported or moving.
Chairs and tables can move when people stand
Check how your chair moves as you get up to cheer. A drink attached to the chair moves with it; a freestanding drink can still be bumped by an armrest or leg. Keep the resting spot outside the chair’s movement path. No holder replaces checking the equipment around it.
Foot traffic is part of the setup
Sports sidelines change quickly as families arrive, children pass and wagons move. A low drink can be hard to notice. A visible permitted side table may be a more practical location than the ground, even when the ground looks flat.
An upright drink can still splash
A holder does not cover an open container. Match a lid or closure to the container and the way you carry it. Steadi does not prevent every spill, and there is no verified rating here for wind, impacts or moving wagons.
What the real demonstration shows
The product video shows a grip-and-lift demonstration with an actual Steadi. It is not a field, wind or chair-bump test. The lifestyle images illustrate intended settings; customer reviews describe individual experiences across Steadi’s uses. Neither establishes a measured sideline spill-prevention percentage.
Check fit, support and reach together
Confirm a 2–3.15-inch container base and full seating. Then support the entire Steadi base on a level stationary surface. Finally, check easy reach and clear walking space. If the setup cannot meet those conditions, a different location or holder type is the more useful answer.