Recliner Motion Test
Recliners add a new failure mode: motion. If your method can’t survive normal reclining, it’s not reliable.
How to run it
- Place the drink where it normally lives.
- Recline and return at normal speed.
- Shift posture and simulate a gentle knee brush.
- Pass = stable; Fail = wobble toward tipping.
FAQ
Why do recliners spill even with cup holders?
Motion bumps + posture shifts + shallow or angled holders. Movement turns small instability into a spill.
What should I test with?
Your real drink size (can/bottle/cup) and your real recline speed.
What’s the next test after this?
Carpet Test for game night and Couch Seam Test for cushion placement.
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