Thank you for the compliment on the holsster, LD, I don't cowboy shoot so I can't tell you if it's CASS legal.
It's just an old home-made affair in which I attempted to mix the best attributes of the Threepersons and Rykba, with a belt loop wide enough for a River Belt and a rawhide hammer loop for silent operation. I chose a size and material that would allow for adaptation to my 2-3 favorite hunting revolvers. I have threatened to tear it down and make a pattern off of it, but as yet have been unable to do it.
