Double Bull had a bale blind that they were working on... Now that Primos bought them out, I don't know what has become of it.
The link for the bale blind at Primos is dead right now:
http://shop.primos.com/pc-1137-135-bale-blind.aspx
Here are some pictures:
I'm beginning to wonder if I could build something like this out of mesh and counduit... Hmmm.
Hope this helps...
Stinky B.