What are you trying to do, bait the cops?
For anybody trying to figure out what holster the source is talking about it is actually called GhostBelt and can be found at Ghostbelt.com. It might be a good way to conceal a weapon and get one round off, but it isn't a quick way to draw and fire well aimed rounds at a threat.
I kept the Ruger in the bag and the bag on the seat next to my leg. A stick-up kid cruised by twice checking me out. I knew the deal. The third time he came up on my blind side. I put my hand in the bag, leaned across the seat and pointed it at him. He thought better of finding out if I was holding a cruller inside the bag. He drifted...there's more to the story but that's the gist of it.