The client was looking for a way to carry 20-30 bottles conveniently and securely. We went through a few different concepts before settling on a roll that hangs from a shoulder strap. Inside the roll are 24 "holsters" sized to just fit the bottles in question with keepers to keep them from falling out.
I didn't have access to any of the bottles so I made a lot of use of a few jigs that should match the bottle's dimensions. Those turned out to be critical though they'd've been heck to produce without the laser. We used a half stitch to stay within the client's budget. That probably cut the production time in half without compromising much of the durability. I'm not sure if I like the look of a half stitch as much as a good saddle stitch but it's certainly viable option.