I got a Pistol Wear holster. Similar to the Kangaroo (did PW copy Kangaroo or the other way around...?) and thought the chest carry an interesting option. However, the guy in the Kangaroo video is pretty slick getting his gun out thru the neck of his polo shirt! My attempts were not so good.
I have mixed feelings but at this time I am not all that pleased that I got the PW. Haven't used it to this point and would be willing to part with it if someone thought they could master this thing. The pocket is deep (too deep, IMO) and it is a slow draw, at least in my case. It sits too low around the waist and just isn't accessible (again, in my case) in chest-carry mode.