sentences:  Brigade Quartermaster, Inc. used to sell a zipper modification kit, which essentially codified and standardized commonly made modifications.Most recently, there have been models produced and issued in the Army's Universal Combat Pattern, the USAF's Environmental Camouflage Pattern, and Multicam/Scorpion II/etc.Opinions among the troops generally hold the poncho liner in high regard, as a very useful piece of equipment, light and packable yet reasonably warm.