Sorry I'm not remembering the brand.
I have a small backyard so the gopher wire worked for me, and I'm planning on laying down on my next garden, first.
To make the castor oil mixture, I would fill a large pot with water, add a head or two of garlic, broken up, 4-6 chiles. Bring to boil, allow to cool, add castor oil whisking to blend, and pour down holes every morning.
Our natural soil is claylike, but I've been here mulching and building the soil for 19 years.