Here's an example.
http://4.bp.blogspot.com/_BEtmcqi1jL4/TMZ2JpBcrCI/AAAAAAAAAq4/89S-T-YT_UE/s1600/IMG_1237.JPG
Type: Posts; User: crashdive123
Here's an example.
http://4.bp.blogspot.com/_BEtmcqi1jL4/TMZ2JpBcrCI/AAAAAAAAAq4/89S-T-YT_UE/s1600/IMG_1237.JPG
I remember the thread. I think they were cattle panels.