TRB stuff is very doable with a lot of lines. Good solid Tonka stuff with the Red Barron dog who was actually 1/4 Alligator. That's why in Texas, you'll see some damn good TRB/Alligator type dogs. Limey Kennels had one named Ch. Candy that was a TRB/Alligator dog. Tons of local dogs here bred that way. Real good stuff.