Not Chuck and I am sure he will comment but about 10 years ago I switched to Mika's for all my pocket holsters. Previously I had some nice leather ones but they all used the "push off" design that requires you to physically push the holster with your thumb during the draw to help separate the holster. Mike has a very open top with a liner sewn in that keeps it open at the top, some material on the sides that is grippy enough to insure the holster does not come out with the gun. It is bascially a zero resistance draw in terms of the holster itself.
That paradigm simply works much better for me. Bonus is Bob Mika is a great guy, prompt services, cares about and listens to his customers (actually takes time to call each one).
The DeSantis pocket holsters are similar in concept, but they lack that hold open band that makes drawing so frictionless and reholstering easier.