Breny, since you don't want carpet, how about those filigree looking safety mats made for steps? I've seen them at Home Depot & Lowes? They're heavy rubber type stuff...just a thought

I'm soo glad that McKenzies doing well!
Heres a link to what I'm trying to describe, it's the 8th pic down the list:
Recycled Rubber Tire Mats - Safety Mats, Step Treads, Stair Runners, Garage Mats!