I don't think there are any holsters/guns that are comfortable as appendix carry. The fatter you are, the more comfortable it is I assume coz your jelly roll and FUDA absorb all the sharp points and mass.
However, I use an Eclipse holster. I've tried others but wasn't too satisfied. Small and great retention. It can be easily moved to the side, all across the front, and even moved to lumbar carry comfortably. I glued suede to the back of it so it's more comfortable.
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