I'm trying to baby-proof my staircase, but the stairs have no risers. (See image below.)
I am in a rental, so I don't want to spend the money on cutting, staining, and nailing up plywood. I am thinking maybe corkboard, or using my staple gun to run a long cloth material down the underside. I usually go over the top on things like this, but we will only be in the house for two more years probably, so I am looking to go the cheap and fast route.