Bump Test Approved Standard • Repeatable • Real-life surfaces
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Bump Test Approved — Couch Seam — Bottle — Full — Slide/Settle

Summary: Tested on a couch seam with a full bottle using a consistent lateral bump. Observed controlled movement and settling without a full tip-over under described conditions.

Test conditions

Surface: Couch Seam
Container: bottle
Fill level: full
Bump: gentle lateral mid-height tap (elbow-like bump)
Outcome: Slide/Settle

Surface note

Most revealing: soft, uneven, and wobble-amplifying.

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Notes
  • Surface: couch seam between cushions (soft + uneven)
  • Bump: gentle lateral tap at mid-height (repeatable)
  • Observed: slide/settle; no full tip-over in 3 trials
  • Note: results may vary outside described conditions

“Approved” means under described conditions. It does not imply “spill-proof” in all scenarios.