My GSD is only 4 months old, and I never wanted to use electric corrections on him, but the writing is on the wall that he will eventually jump it.
Should I get this:
or
Also,
http://www.petsmart.com/product/inde...AvailInUS%2FNo
I think that's the only problem area, but as he grows older, the whole back wall may become a problem, so I'm not sure.