Hi everyone, I am assuming that the doors that Anna needs to keep open are normal size doors. Here is what I have done. Use 2 foot lengths of quarter round to make a slot for a thin piece of plywood. The quarter round can be fastened with finishing nails which leave a very small and easily mended hole. Cut the plywood to fit the door opening and slide into the slot. Mine is only 2 feet high. This allows me to step over relatively easily. Since one of my fuzzbutts can get over it, I have cut a 3" diameter piece of pcv (pvc?) pipe along its length and put it over the top of the plywood. The little critter just can't get a grip on the pipe. I am sure you could use a smaller diameter pipe. I just usually do a little over kill. I you want it to look really nice, paint the quarter round and plywood the same color as the woodwork. Hope this helps. Shirley, Dunkin', Journey, Slick, Loki, Olivia and Mocha [Posted in FML issue 4290]