For the border I am planning to use bunny ears and tails. I suspect that the plaid bunnies will stay in formation if they are surrounded by disembodied bunny parts. Kittens, of course, wouldn't care because that's their life work.
Typhoon would like me to quit saying that he is "underfoot" because clearly he is over my foot. For a cat constantly in fear for his safety, this is one time that his concerns would be valid.