On Sat, 6 Mar 2010 19:01:24 -0600, (Lp1331 1p1331)
wrote:

Colbyt hit the nail on the head. An electric fence is the way to go.
They will not go near the fence after they get zapped once. I've used
them for years. Larry

Yeah, but...

http://www.sibes.org/Sdo/Content/Ima.../A000245_3.jpg

How about a role of metal flashing, cut to fit?