A guy has a rental and wants to make this set of stairs safer. He said the tile edge metal on the nose of the steps sticks up 1/16" higher than the tile on the tread The metal is brass colored so sanding the metal edge would show the aluminum color. He want's to cover the tile with carpet or a carpet runner. Anything that would get rid of the lip of metal that's causing the problem. He's looking at a dense commercial carpet. "Wall to wall" or a runner, question is how to adhere it yet have it removable without damaging the tile. No pad would be installed, just carpet. It's a rental and he promised to pay minimum wage............ so I said, "cool, a raise" Carpet, or maybe some other material just on the tread? Looking for ideas.