On Sun, 12 Aug 2012 10:35:12 -0700, Oren wrote:

On Sun, 12 Aug 2012 05:17:36 -0700 (PDT), Gas Bag
wrote:

She wants to stop her cats getting out, and other cats getting in.

What she wants to do goes against nature. Cats do what cats do.

It's actually pretty easy. Our cats have never been off our property, except
to go to the vets, of course.