I found that you can make any holster tuckable. You can also wear hidden suspenders, if you wish. It's simple, just wear a T-Shirt and a comfortable fabric belt under your clothes. Attach your favourite holster and an optional pair of suspenders to the belt. Then dress normally.
I have a little more detail and a photo on my website at the URL below.
http://www.joeldare.com/wiki/tuckable_deep_concealment
I have a little more detail and a photo on my website at the URL below.
http://www.joeldare.com/wiki/tuckable_deep_concealment