The Firearm Blog's Rusty S reviewed the "Burrito: Mag Pouch.
http://www.thefirearmblog.com/blog/2017/07/17/review-mene-gene-leather-burrito-mag-pouch-can-handle-pistol-magazine/
This was developed by Gene Higdon, who was the founder of High Speed Gear and made TACO. He got back in to leather roots.
http://www.meangeneleather.com/shop/the-mgl-burrito-magazine-pouch-patent-pending/
From: The Firearm Blog