When I pocket carry, the gun is the only thing that goes into that pocket. If I need the gun, the last thing I want to do is have to root around in the pocket to pull the gun from a bunch of change and keys. Also, a pocket holster is a must for PC.
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This.
Desantis makes a couple of nice pocket holsters for revolvers and small autos.
They have a grippy texture that helps grab the pocket to keep the holster in place when you draw.
Also besides keeping anything else out of your triggerguard that might
cause a ND they keep the majority of pocket lint and crap out of your working parts.