Hello! I recently moved into a condo that has a loft overlooking the living room. My 14 and 4 year old cats like to walk, sit, or even lay on it occasionally...they have seemed careful so far (these past 4 months). However I would like to add a kitten and am worried the kitten would fall off. Is this a concern you would have? Does anyone have (or can share) any pictures of potential solutions to kitten proof this balcony and, if you have installed something, what was the approximate cost?