Took me a moment of thinking until I realized your isw is the same as iwb... guess we ought to create a dictionary of abreviations for the newbies (and some of us older guys). I think you're on the right track, but also make sure the holster holds the grip as close as possible to the body... you may have to adjust the position. And then there is always velcro... a clip on tab for the belt and a tab inside the shirt to grab it?