Stair runners.

They look nice and soften the impact of your feet and deaden sound when you put them on your stairs. Then they start to creep. You fix them, then they creep again. And again. And again. You risk your life walking down the damn stairs eventually because of them. One of those little everyday irritations that makes you want to go on a shooting spree at walmart.

I'm going to get some dowel rods and jam 'em in the edges like they do at museums, no adhesive has worked yet and staples/nails are a bit extreme. Probably looks tacky but my sanity is at stake here.