I've made these before by sewing separate pockets at the back from the lining fabric and then stitching these onto the lining and fabric in one single row of stitching. It worked fine, although you do have to sew through a lot of layers which was a bit fiddly - and caused a small amount of puckering.
It would be easy to fold a continuous piece of lining fabric and sew pockets by stitching along a fold. But how do you then attach the front fabric?
Any tips gratefully received.
Also I have used the cord and acorn loop system before, but would love to know if the metal continuous pulley chain things work well, and where would be the best place to buy kits as I can't seem to find any.