Me too...I never heard one rattle before but knew what it was right away and I will never forget it!
If you decide to use the hardware cloth let me know and I will take a picture of how I secured mine. You have to seal the bottom of really good or they will crawl underneath it, happened to one of our neighbors.
Yes please! I'm gonna measure the perimeter of the yard once I get home and order the mesh.
Della - GSD- DOB 10/23/13
Dina - GSD - RIP 09/01/98