I'm trying to get to where I can carry my Kahr K9 IWB comfortably. I have both Bianchi and Galco IWB holsters (clip style) and I just got an MTAC today. I am having trouble finding a comfortable position that doesn't begin to cramp after 2 hours. Most of my day is spent standing with some driving. The MTAC at 4 o'clock is good for driving and starts out fairly comfortable, but after a while begins to really hurt. The other 2 just hurt from the get go. Are there tricks and techniques for carrying IWB all day in reasonable comfort or do I just need to STFU and deal with the pain? I do have a proper 1.5" Beltman belt to properly support the holster and I'm wearing a t-shirt to insulate the holster from my skin. I like the MTAC with an overshirt tucked in....very nice.