A few years ago, we had one of the smaller soft pools in the yard. The top of it is an inflatable ring which keeps the top rim of the pool above the water line. Well, we also have a few cats, all of which have all their claws. You guessed it, pinhole city in that inflatable ring. That's when the McGuyver in me came out. I cut a hole in the ring, and slid in a couple noodles. It worked and the water stayed in the pool. We swam away, happily ever after.